In this photo provided by the Ukrainian Security service Press Office, a Ukrainian soldier, who was released in a prisoner exchange between Russia and Ukraine, shows a V-sign close to Chernihiv, Ukraine, late Wednesday, Sept. 21, 2022. Ukraine announced a high-profile prisoner swap early Thursday that culminated months of efforts to free many of the Ukrainian fighters who defended a steel plant in Mariupol during a long Russian siege. (Ukrainian Security service Press Office via AP)

In this photo provided by the Ukrainian Security service Press Office, Ukrainian soldiers, who were released in a prisoner exchange between Russia and Ukraine, smile close to Chernihiv, Ukraine, late Wednesday, Sept. 21, 2022. Ukraine announced a high-profile prisoner swap early Thursday that culminated months of efforts to free many of the Ukrainian fighters who defended a steel plant in Mariupol during a long Russian siege. (Ukrainian Security service Press Office via AP)

In this photo provided by the Ukrainian Security service Press Office, Ukrainian soldiers released in a prisoner exchange between Russia and Ukraine, hold the Ukrainian flag close to Chernihiv, Ukraine, late Wednesday, Sept. 21, 2022. Ukraine announced a high-profile prisoner swap early Thursday that culminated months of efforts to free many of the Ukrainian fighters who defended a steel plant in Mariupol during a long Russian siege. (Ukrainian Security service Press Office via AP)

In this handout photograph released by the Ministry of Internal Affairs of Ukraine on September 21, 2022, Ukrainian commanders who led the defence of Mariupol's Azovstal steelworks Denys Prokopenko (2nd R) and Sergiy Volynsky (R) speak with Ukraine's Minister of Internal Affairs Denys Monastyrsky (L) at an undisclosed location. - Ukraine on Wednesday announced the exchange of a record-high 215 imprisoned soldiers with Russia, including fighters who led the defense of Mariupol's Azovstal steelworks that became an icon of Ukrainian resistance. (Photo by STRINGER / Ministry of Internal Affairs of Ukraine Press Service / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / Ministry of Internal Affairs of Ukraine / HANDOUT " - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This handout photograph released by the Ministry of Internal Affairs of Ukraine on September 21, 2022, shows Ukrainian commanders who led the defence of Mariupol's Azovstal steelworks Svyatoslav Palamar (2L), Denys Shlega (3L), Denys Prokopenko (C), Oleg Khomenko (3R) and Sergiy Volynsky (2R) stand with Ukraine's Minister of Internal Affairs Denys Monastyrsky (L) and Chief of the Defence Intelligence of Ukraine Kyrylo Budanov (R) at an undisclosed location. - Ukraine on Wednesday announced the exchange of a record-high 215 imprisoned soldiers with Russia, including fighters who led the defense of Mariupol's Azovstal steelworks that became an icon of Ukrainian resistance. (Photo by STRINGER / Ministry of Internal Affairs of Ukraine Press Service / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / Ministry of Internal Affairs of Ukraine / HANDOUT " - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This handout photograph released by the Ministry of Internal Affairs of Ukraine on September 21, 2022, shows Ukrainian commanders who led the defence of Mariupol's Azovstal steelworks Svyatoslav Palamar (2L), Denys Shlega (3L), Denys Prokopenko (C), Oleg Khomenko (3R) and Sergiy Volynsky (2R) stand with Ukraine's Minister of Internal Affairs Denys Monastyrsky (L) and Chief of the Defence Intelligence of Ukraine Kyrylo Budanov (R) at an undisclosed location. - Ukraine on Wednesday announced the exchange of a record-high 215 imprisoned soldiers with Russia, including fighters who led the defense of Mariupol's Azovstal steelworks that became an icon of Ukrainian resistance. (Photo by STRINGER / Ministry of Internal Affairs of Ukraine Press Service / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / Ministry of Internal Affairs of Ukraine / HANDOUT " - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This handout photograph released by the Ministry of Internal Affairs of Ukraine on September 21, 2022, shows Ukrainian commanders who led the defence of Mariupol's Azovstal steelworks Svyatoslav Palamar (L), Denys Shlega (2L), Denys Prokopenko (R), together with Chief of the Defence Intelligence of Ukraine Kyrylo Budanov (2R) at an undisclosed location. - Ukraine on Wednesday announced the exchange of a record-high 215 imprisoned soldiers with Russia, including fighters who led the defense of Mariupol's Azovstal steelworks that became an icon of Ukrainian resistance. (Photo by STRINGER / Ministry of Internal Affairs of Ukraine Press Service / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / Ministry of Internal Affairs of Ukraine / HANDOUT " - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This handout photograph released by the Ministry of Internal Affairs of Ukraine on September 21, 2022, shows shows Ukrainian commanders who led the defence of Mariupol's Azovstal steelworks Svyatoslav Palamar (C) and Denys Shlega (R), together with Ukraine's Minister of Internal Affairs Denys Monastyrsky (L) at an undisclosed location. - Ukraine on Wednesday announced the exchange of a record-high 215 imprisoned soldiers with Russia, including fighters who led the defense of Mariupol's Azovstal steelworks that became an icon of Ukrainian resistance. (Photo by STRINGER / Ministry of Internal Affairs of Ukraine Press Service / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / Ministry of Internal Affairs of Ukraine / HANDOUT " - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This handout photograph released by the Ministry of Internal Affairs of Ukraine on September 21, 2022, shows shows one of Ukrainian commander who led the defence of Mariupol's Azovstal steelworks Denys Prokopenko (C) together with Ukraine's Minister of Internal Affairs Denys Monastyrsky (R) at an undisclosed location. - Ukraine on Wednesday announced the exchange of a record-high 215 imprisoned soldiers with Russia, including fighters who led the defense of Mariupol's Azovstal steelworks that became an icon of Ukrainian resistance. (Photo by STRINGER / Ministry of Internal Affairs of Ukraine Press Service / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / Ministry of Internal Affairs of Ukraine / HANDOUT " - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This image grab taken from the Saudi state TV on September 21, 2022 shows Martina Strong, head of the US mission in Saudi Arabia, talking to released US prisoner Alexander Drueke, after ten prisoners of war from countries including the United States and Britain were transferred to Saudi Arabia as part of the exchange between Moscow and Kyiv. - Ukraine announced the exchange of a record-high 215 imprisoned soldiers with Russia, including fighters who led the defence of Mariupol's Azovstal steelworks that became an icon of Ukrainian resistance. (Photo by SAUDI TV / AFP) / === RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / HO / SAUDI TV" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS ===

This image grab taken from the Saudi state TV on September 21, 2022 shows released Moroccan prisoner Brahim Saadum waving in the Saudi capital Riyadh, after ten prisoners of war from countries including the United States and Britain were transferred to Saudi Arabia as part of the exchange between Moscow and Kyiv. - Ukraine announced the exchange of a record-high 215 imprisoned soldiers with Russia, including fighters who led the defence of Mariupol's Azovstal steelworks that became an icon of Ukrainian resistance. (Photo by SAUDI TV / AFP) / === RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / HO / SAUDI TV" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS ===

This image grab taken from the Saudi state TV on September 21, 2022 shows released British prisoner Shaun Pinner smiling in the Saudi capital Riyadh, after ten prisoners of war from countries including the United States and Britain were transferred to Saudi Arabia as part of the exchange between Moscow and Kyiv. - Ukraine announced the exchange of a record-high 215 imprisoned soldiers with Russia, including fighters who led the defence of Mariupol's Azovstal steelworks that became an icon of Ukrainian resistance. (Photo by various sources / AFP) / === RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / HO / SAUDI TV" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS ===

This image grab taken from the Saudi state TV on September 21, 2022 shows released British prisoner Shaun Pinner smiling in the Saudi capital Riyadh, after ten prisoners of war from countries including the United States and Britain were transferred to Saudi Arabia as part of the exchange between Moscow and Kyiv. - Ukraine announced the exchange of a record-high 215 imprisoned soldiers with Russia, including fighters who led the defence of Mariupol's Azovstal steelworks that became an icon of Ukrainian resistance. (Photo by various sources / AFP) / === RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / HO / SAUDI TV" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS ===

This handout photograph taken and released by Security Service of Ukraine on September 22, 2022 shows Ukrainian prisoners of war reacting after their exchange in Chernigiv region. - Ukrainian authorities announced on September 21, 2022 the exchange of a record-high 215 imprisoned soldiers with Russia, including fighters who led the defence of Mariupol's Azovstal steelworks that became an icon of Ukrainian resistance. Russia received 55 prisoners including Viktor Medvedchuk, a former Ukrainian lawmaker and ally of Russian President Vladimir Putin accused of high treason, Ukraine's leader Volodymyr Zelensky said in his daily address. (Photo by Handout / SECURITY SERVICE OF UKRAINE / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / SECURITY SERVICE OF UKRAINE" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This handout photograph taken and released by Security Service of Ukraine on September 22, 2022 shows Ukrainian prisoners of war posing with a Ukrainian flag after their exchange in Chernigiv region. - Ukrainian authorities announced on September 21, 2022 the exchange of a record-high 215 imprisoned soldiers with Russia, including fighters who led the defence of Mariupol's Azovstal steelworks that became an icon of Ukrainian resistance. Russia received 55 prisoners including Viktor Medvedchuk, a former Ukrainian lawmaker and ally of Russian President Vladimir Putin accused of high treason, Ukraine's leader Volodymyr Zelensky said in his daily address. (Photo by Handout / SECURITY SERVICE OF UKRAINE / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / SECURITY SERVICE OF UKRAINE" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This handout picture taken and released by Security Service of Ukraine on September 22, 2022 shows medical personnel assisting a Ukrainian prisoner of war after a mass prisoner exchange in Chernigiv region. - Ukrainian authorities announced on September 21, 2022 the exchange of a record-high 215 imprisoned soldiers with Russia, including fighters who led the defence of Mariupol's Azovstal steelworks that became an icon of Ukrainian resistance. Russia received 55 prisoners including Viktor Medvedchuk, a former Ukrainian lawmaker and ally of Russian President Vladimir Putin accused of high treason, Ukraine's leader Volodymyr Zelensky said in his daily address. (Photo by Handout / SECURITY SERVICE OF UKRAINE / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / SECURITY SERVICE OF UKRAINE" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This image grab taken from the Saudi state TV on September 21, 2022 shows released Moroccan prisoner Brahim Saadum gesturing as he arrives in the Saudi capital Riyadh, after ten prisoners of war from countries including the United States and Britain were transferred to Saudi Arabia as part of the exchange between Moscow and Kyiv. - Ukraine announced the exchange of a record-high 215 imprisoned soldiers with Russia, including fighters who led the defence of Mariupol's Azovstal steelworks that became an icon of Ukrainian resistance. (Photo by SAUDI TV / AFP) / === RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / HO / SAUDI TV" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS ===

This handout photograph taken and released by Security Service of Ukraine on September 22, 2022 shows a Ukrainian prisoner of war Mykhailo Dianov reacting after a his exchange in Chernigiv region. - Ukrainian authorities announced on September 21, 2022 the exchange of a record-high 215 imprisoned soldiers with Russia, including fighters who led the defence of Mariupol's Azovstal steelworks that became an icon of Ukrainian resistance. Russia received 55 prisoners including Viktor Medvedchuk, a former Ukrainian lawmaker and ally of Russian President Vladimir Putin accused of high treason, Ukraine's leader Volodymyr Zelensky said in his daily address. (Photo by Handout / SECURITY SERVICE OF UKRAINE / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / SECURITY SERVICE OF UKRAINE" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This handout photograph taken and released by Security Service of Ukraine on September 22, 2022 shows Ukrainian prisoners of war reacting after their exchange in Chernigiv region. - Ukrainian authorities announced on September 21, 2022 the exchange of a record-high 215 imprisoned soldiers with Russia, including fighters who led the defence of Mariupol's Azovstal steelworks that became an icon of Ukrainian resistance. Russia received 55 prisoners including Viktor Medvedchuk, a former Ukrainian lawmaker and ally of Russian President Vladimir Putin accused of high treason, Ukraine's leader Volodymyr Zelensky said in his daily address. (Photo by Handout / SECURITY SERVICE OF UKRAINE / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO /SECURITY SERVICE OF UKRAINE" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This handout photograph taken and released by Security Service of Ukraine on September 22, 2022 shows acting chief of the Security Service of Ukraine (SBU) Vasyl Maliuk (R) greeting a Ukrainian prisoner of war after a mass prisoner exchange exchange in Chernigiv region. - Ukrainian authorities announced on September 21, 2022 the exchange of a record-high 215 imprisoned soldiers with Russia, including fighters who led the defence of Mariupol's Azovstal steelworks that became an icon of Ukrainian resistance. Russia received 55 prisoners including Viktor Medvedchuk, a former Ukrainian lawmaker and ally of Russian President Vladimir Putin accused of high treason, Ukraine's leader Volodymyr Zelensky said in his daily address. (Photo by Handout / SECURITY SERVICE OF UKRAINE / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / SECURITY SERVICE OF UKRAINE" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This image grab taken from the Saudi state TV on September 21, 2022 shows released Swedish prisoner Mathias Gustafsson greeting a Saudi official he arrives in the capital Riyadh, after ten prisoners of war from countries including the United States and Britain were transferred to Saudi Arabia as part of the exchange between Moscow and Kyiv. - Ukraine announced the exchange of a record-high 215 imprisoned soldiers with Russia, including fighters who led the defence of Mariupol's Azovstal steelworks that became an icon of Ukrainian resistance. (Photo by SAUDI TV / AFP) / === RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / HO / SAUDI TV" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS ===

This image grab taken from the Saudi state TV on September 21, 2022 shows released Swedish prisoner Mathias Gustafsson sitting in a wheelchair he arrives in the capital Riyadh, after ten prisoners of war from countries including the United States and Britain were transferred to Saudi Arabia as part of the exchange between Moscow and Kyiv. - Ukraine announced the exchange of a record-high 215 imprisoned soldiers with Russia, including fighters who led the defence of Mariupol's Azovstal steelworks that became an icon of Ukrainian resistance. (Photo by SAUDI TV / AFP) / === RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / HO / SAUDI TV" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS ===

This image grab taken from the Saudi state TV on September 21, 2022 shows released Croatian prisoner Vjekoslav Prebeg (L) talking to an official in the Saudi capital Riyadh, after ten prisoners of war from countries including the United States and Britain were transferred to Saudi Arabia as part of the exchange between Moscow and Kyiv. - Ukraine announced the exchange of a record-high 215 imprisoned soldiers with Russia, including fighters who led the defence of Mariupol's Azovstal steelworks that became an icon of Ukrainian resistance. (Photo by various sources / AFP) / === RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / HO / SAUDI TV" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS ===

This image grab taken from the Saudi state TV on September 21, 2022 shows released Croatian prisoner Vjekoslav Prebeg (L) talking to an official in the Saudi capital Riyadh, after ten prisoners of war from countries including the United States and Britain were transferred to Saudi Arabia as part of the exchange between Moscow and Kyiv. - Ukraine announced the exchange of a record-high 215 imprisoned soldiers with Russia, including fighters who led the defence of Mariupol's Azovstal steelworks that became an icon of Ukrainian resistance. (Photo by various sources / AFP) / === RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / HO / SAUDI TV" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS ===

This image grab taken from the Saudi state TV on September 21, 2022 shows released British prisoner Aidan Asalon (2nd R) arriving in the capital Riyadh, after ten prisoners of war from countries including the United States and Britain were transferred to Saudi Arabia as part of the exchange between Moscow and Kyiv. - Ukraine announced the exchange of a record-high 215 imprisoned soldiers with Russia, including fighters who led the defence of Mariupol's Azovstal steelworks that became an icon of Ukrainian resistance. (Photo by SAUDI TV / AFP) / === RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / HO / SAUDI TV" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS ===

This handout photograph taken and released by Security Service of Ukraine on September 22, 2022 shows Ukrainian prisoner of war Kateryna Polishchuk, reacting after her release as part of a mass prisoner exchange in Chernigiv region. - Ukrainian authorities announced on September 21, 2022 the exchange of a record-high 215 imprisoned soldiers with Russia, including fighters who led the defence of Mariupol's Azovstal steelworks that became an icon of Ukrainian resistance. Russia received 55 prisoners including Viktor Medvedchuk, a former Ukrainian lawmaker and ally of Russian President Vladimir Putin accused of high treason, Ukraine's leader Volodymyr Zelensky said in his daily address. (Photo by Handout / SECURITY SERVICE OF UKRAINE / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / SECURITY SERVICE OF UKRAINE" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This combination picture shows a file handout photograph released by the Azov regiment on May 11, 2022 of Ukrainian serviceman Mykhailo Dianov gesturing inside the Azovstal iron and steel works factory in eastern Mariupol (top) and a handout photograph released by Security Service of Ukraine on September 22, 2022 of Ukrainian serviceman Mykhailo Dianov gesturing after his release as part of a mass prisoner of war exchange in Chernigiv region (bottom) amid the Russian military invasion of Ukraine. (Photo by Handout / various sources / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / HO / AZOV SPECIAL FORCES REGIMENT OF UKRAINE / HO / SECURITY SERVICE OF UKRAINE" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This handout photograph taken and released by the Ukrainian Presidential press-service on September 22, 2022 shows Ukrainian President Volodymyr Zelensky in his office in Kyiv watching a live feed of the arrival of released Ukrainian servicemen after a mass prisoner of war exchange in the Chernigiv region. - Ukrainian authorities announced on September 21, 2022 the exchange of a record-high 215 imprisoned soldiers with Russia, including fighters who led the defence of Mariupol's Azovstal steelworks that became an icon of Ukrainian resistance. Russia received 55 prisoners including Viktor Medvedchuk, a former Ukrainian lawmaker and ally of Russian President Vladimir Putin accused of high treason, Ukraine's leader Volodymyr Zelensky said in his daily address. (Photo by Handout / UKRAINIAN PRESIDENTIAL PRESS SERVICE / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / HO / UKRAINIAN PRESIDENTIAL PRESS SERVICE" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This combination picture shows a file handout photograph released by the Azov regiment on May 11, 2022 of Ukrainian serviceman Mykhailo Dianov gesturing inside the Azovstal iron and steel works factory in eastern Mariupol (L) and a handout photograph released by Security Service of Ukraine on September 22, 2022 of Ukrainian serviceman Mykhailo Dianov gesturing after his release as part of a mass prisoner of war exchange in Chernigiv region (R) amid the Russian military invasion of Ukraine. (Photo by Handout / various sources / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / HO / AZOV SPECIAL FORCES REGIMENT OF UKRAINE / HO / SECURITY SERVICE OF UKRAINE" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

(From L) Ukrainian Interior Minister Denys Monastyrsky, acting head of Ukraine’s security service Vasyl Malyuk, Head of Ukraine's military intelligence Kyrylo Budanov, Ukraine's presidential chief of staff Andriy Yermak and United States Ambassador to Ukraine Bridget Brink watch a screen during an online speech of Kateryna Prokopenko, wife of Denys Prokopenko, one of the commanders of the defence of Mariupol's Azovstal steelworks that became an icon of Ukrainian resistance who was part of September 21, 2022 record-high prisoners swap with Russia. - Many of the Ukrainians exchanged in the largest prisoner swap with Russia since the beginning of the invasion show signs of violent torture, the head of Ukraine's military intelligence said on September 22, 2022. (Photo by Sergei SUPINSKY / AFP)

(L-R) Ukrainian Interior Minister Denys Monastyrsky, acting head of Ukraine’s security service Vasyl Malyuk, Head of Ukraine's military intelligence Kyrylo Budanov, Ukraine's presidential chief of staff Andriy Yermak, United States Ambassador to Ukraine Bridget Brink, UK Ambassador to Ukraine Melinda Simmons and Ambassador of Sweden to Ukraine Tobias Thyberg watch the screen during their presser in Kyiv on September 22, 2022 and an online speech of Kateryna Prokopenko, wife of Denys Prokopenko, one of the commanders of the defence of Mariupol's Azovstal steelworks that became an icon of Ukrainian resistance who was part of September 21, 2022 record-high prisoners swap with Russia. - Many of the Ukrainians exchanged in the largest prisoner swap with Russia since the beginning of the invasion show signs of violent torture, the head of Ukraine's military intelligence said on September 22, 2022. (Photo by Sergei SUPINSKY / AFP)

KYIV, UKRAINE - SEPTEMBER 22: Head Office of the President of Ukraine Andriy Yermak (C), Chief of the Defence Intelligence of Ukraine Major-General Kyrylo Budanov (L), Ukrainian Minister of Internal Affairs Denys Monastyrskyi (not seen), Acting Head of the SBU Vasyl Malyuk (not seen), U.S. Ambassador to Ukraine Bridget Brink (R) and other ambassadors of the countries whose citizens were released as a result of exchange attend a press briefing on the release of Ukrainian defenders from Russian captivity, in Kyiv, Ukraine on September 22, 2022. On Wednesday, Turkish President Recep Tayyip Erdogan announced that Russia and Ukraine had exchanged 200 prisoners as a result of Turkiye's mediation and diplomatic exchanges with the leaders of the two countries. Ukraine's President Volodymyr Zelenskyy confirmed the exchange of 215 Ukrainian soldiers in a video statement and thanked Turkiye for its role. Gian Marco Benedetto / Anadolu Agency/ABACAPRESS.COM

KYIV, UKRAINE - SEPTEMBER 22: Head Office of the President of Ukraine Andriy Yermak (R), Chief of the Defence Intelligence of Ukraine Major-General Kyrylo Budanov (L), Ukrainian Minister of Internal Affairs Denys Monastyrskyi (not seen), Acting Head of the SBU Vasyl Malyuk (not seen), U.S. Ambassador to Ukraine Bridget Brink (not seen) and other ambassadors of the countries whose citizens were released as a result of exchange attend a press briefing on the release of Ukrainian defenders from Russian captivity, in Kyiv, Ukraine on September 22, 2022. On Wednesday, Turkish President Recep Tayyip Erdogan announced that Russia and Ukraine had exchanged 200 prisoners as a result of Turkiye's mediation and diplomatic exchanges with the leaders of the two countries. Ukraine's President Volodymyr Zelenskyy confirmed the exchange of 215 Ukrainian soldiers in a video statement and thanked Turkiye for its role. Gian Marco Benedetto / Anadolu Agency/ABACAPRESS.COM

KYIV, UKRAINE - SEPTEMBER 22: Head Office of the President of Ukraine Andriy Yermak (4th L), Chief of the Defence Intelligence of Ukraine Major-General Kyrylo Budanov (2nd L), Ukrainian Minister of Internal Affairs Denys Monastyrskyi (L), Acting Head of the SBU Vasyl Malyuk (L), U.S. Ambassador to Ukraine Bridget Brink (3rd R) and other ambassadors of the countries whose citizens were released as a result of exchange attend a press briefing on the release of Ukrainian defenders from Russian captivity, in Kyiv, Ukraine on September 22, 2022. On Wednesday, Turkish President Recep Tayyip Erdogan announced that Russia and Ukraine had exchanged 200 prisoners as a result of Turkiye's mediation and diplomatic exchanges with the leaders of the two countries. Ukraine's President Volodymyr Zelenskyy confirmed the exchange of 215 Ukrainian soldiers in a video statement and thanked Turkiye for its role. Gian Marco Benedetto / Anadolu Agency/ABACAPRESS.COM

KYIV, UKRAINE - SEPTEMBER 22: Head Office of the President of Ukraine Andriy Yermak (3rd L), Chief of the Defence Intelligence of Ukraine Major-General Kyrylo Budanov (2nd L), Ukrainian Minister of Internal Affairs Denys Monastyrskyi (not seen), Acting Head of the SBU Vasyl Malyuk (L), U.S. Ambassador to Ukraine Bridget Brink (R) and other ambassadors of the countries whose citizens were released as a result of exchange attend a press briefing on the release of Ukrainian defenders from Russian captivity, in Kyiv, Ukraine on September 22, 2022. On Wednesday, Turkish President Recep Tayyip Erdogan announced that Russia and Ukraine had exchanged 200 prisoners as a result of Turkiye's mediation and diplomatic exchanges with the leaders of the two countries. Ukraine's President Volodymyr Zelenskyy confirmed the exchange of 215 Ukrainian soldiers in a video statement and thanked Turkiye for its role. Gian Marco Benedetto / Anadolu Agency/ABACAPRESS.COM

KYIV, UKRAINE - SEPTEMBER 22: U.S. Ambassador to Ukraine Bridget Brink (L) and other ambassadors of the countries whose citizens were released as a result of exchange attend a press briefing on the release of Ukrainian defenders from Russian captivity, in Kyiv, Ukraine on September 22, 2022. Head Office of the President of Ukraine Andriy Yermak, Chief of the Defence Intelligence of Ukraine Major-General Kyrylo Budanov, Ukrainian Minister of Internal Affairs Denys Monastyrskyi, Acting Head of the SBU Vasyl Malyuk, were also present at the briefing. On Wednesday, Turkish President Recep Tayyip Erdogan announced that Russia and Ukraine had exchanged 200 prisoners as a result of Turkiye's mediation and diplomatic exchanges with the leaders of the two countries. Ukraine's President Volodymyr Zelenskyy confirmed the exchange of 215 Ukrainian soldiers in a video statement and thanked Turkiye for its role. Gian Marco Benedetto / Anadolu Agency/ABACAPRESS.COM

KYIV, UKRAINE - SEPTEMBER 22: Head Office of the President of Ukraine Andriy Yermak (R), Chief of the Defence Intelligence of Ukraine Major-General Kyrylo Budanov (2nd R), Ukrainian Minister of Internal Affairs Denys Monastyrskyi (L), Acting Head of the SBU Vasyl Malyuk (2nd L) attend a press briefing on the release of Ukrainian defenders from Russian captivity, in Kyiv, Ukraine on September 22, 2022. On Wednesday, Turkish President Recep Tayyip Erdogan announced that Russia and Ukraine had exchanged 200 prisoners as a result of Turkiye's mediation and diplomatic exchanges with the leaders of the two countries. Ukraine's President Volodymyr Zelenskyy confirmed the exchange of 215 Ukrainian soldiers in a video statement and thanked Turkiye for its role. Gian Marco Benedetto / Anadolu Agency/ABACAPRESS.COM

KYIV, UKRAINE - SEPTEMBER 22: Head Office of the President of Ukraine Andriy Yermak, Chief of the Defence Intelligence of Ukraine Major-General Kyrylo Budanov, Ukrainian Minister of Internal Affairs Denys Monastyrskyi, Acting Head of the SBU Vasyl Malyuk attend a press briefing on the release of Ukrainian defenders from Russian captivity, in Kyiv, Ukraine on September 22, 2022. On Wednesday, Turkish President Recep Tayyip Erdogan announced that Russia and Ukraine had exchanged 200 prisoners as a result of Turkiye's mediation and diplomatic exchanges with the leaders of the two countries. Ukraine's President Volodymyr Zelenskyy confirmed the exchange of 215 Ukrainian soldiers in a video statement and thanked Turkiye for its role. Gian Marco Benedetto / Anadolu Agency/ABACAPRESS.COM

KYIV, UKRAINE - SEPTEMBER 22: Head Office of the President of Ukraine Andriy Yermak (2nd L), Chief of the Defence Intelligence of Ukraine Major-General Kyrylo Budanov (L), Ukrainian Minister of Internal Affairs Denys Monastyrskyi (not seen), Acting Head of the SBU Vasyl Malyuk (not seen) attend a press briefing on the release of Ukrainian defenders from Russian captivity, in Kyiv, Ukraine on September 22, 2022. On Wednesday, Turkish President Recep Tayyip Erdogan announced that Russia and Ukraine had exchanged 200 prisoners as a result of Turkiye's mediation and diplomatic exchanges with the leaders of the two countries. Ukraine's President Volodymyr Zelenskyy confirmed the exchange of 215 Ukrainian soldiers in a video statement and thanked Turkiye for its role. Gian Marco Benedetto / Anadolu Agency/ABACAPRESS.COM

KYIV, UKRAINE - SEPTEMBER 22: Head Office of the President of Ukraine Andriy Yermak (4th L), Chief of the Defence Intelligence of Ukraine Major-General Kyrylo Budanov (3rd L), Ukrainian Minister of Internal Affairs Denys Monastyrskyi (L), Acting Head of the SBU Vasyl Malyuk (2nd L) attend a press briefing on the release of Ukrainian defenders from Russian captivity, in Kyiv, Ukraine on September 22, 2022. On Wednesday, Turkish President Recep Tayyip Erdogan announced that Russia and Ukraine had exchanged 200 prisoners as a result of Turkiye's mediation and diplomatic exchanges with the leaders of the two countries. Ukraine's President Volodymyr Zelenskyy confirmed the exchange of 215 Ukrainian soldiers in a video statement and thanked Turkiye for its role. Gian Marco Benedetto / Anadolu Agency/ABACAPRESS.COM

KYIV, UKRAINE - SEPTEMBER 22: Head Office of the President of Ukraine Andriy Yermak (2nd R), Chief of the Defence Intelligence of Ukraine Major-General Kyrylo Budanov (2nd L), Ukrainian Minister of Internal Affairs Denys Monastyrskyi (not seen), Acting Head of the SBU Vasyl Malyuk (L) attend a press briefing on the release of Ukrainian defenders from Russian captivity, in Kyiv, Ukraine on September 22, 2022. On Wednesday, Turkish President Recep Tayyip Erdogan announced that Russia and Ukraine had exchanged 200 prisoners as a result of Turkiye's mediation and diplomatic exchanges with the leaders of the two countries. Ukraine's President Volodymyr Zelenskyy confirmed the exchange of 215 Ukrainian soldiers in a video statement and thanked Turkiye for its role. Gian Marco Benedetto / Anadolu Agency/ABACAPRESS.COM

KYIV, UKRAINE - SEPTEMBER 22: Head Office of the President of Ukraine Andriy Yermak (R), Chief of the Defence Intelligence of Ukraine Major-General Kyrylo Budanov (C), Ukrainian Minister of Internal Affairs Denys Monastyrskyi (not seen), Acting Head of the SBU Vasyl Malyuk (L) attend a press briefing on the release of Ukrainian defenders from Russian captivity, in Kyiv, Ukraine on September 22, 2022. On Wednesday, Turkish President Recep Tayyip Erdogan announced that Russia and Ukraine had exchanged 200 prisoners as a result of Turkiye's mediation and diplomatic exchanges with the leaders of the two countries. Ukraine's President Volodymyr Zelenskyy confirmed the exchange of 215 Ukrainian soldiers in a video statement and thanked Turkiye for its role. Gian Marco Benedetto / Anadolu Agency/ABACAPRESS.COM

KYIV, UKRAINE - SEPTEMBER 22: U.S. Ambassador to Ukraine Bridget Brink attends a press briefing on the release of Ukrainian defenders from Russian captivity, in Kyiv, Ukraine on September 22, 2022. Head Office of the President of Ukraine Andriy Yermak, Chief of the Defence Intelligence of Ukraine Major-General Kyrylo Budanov, Ukrainian Minister of Internal Affairs Denys Monastyrskyi, Acting Head of the SBU Vasyl Malyuk, the ambassadors of the countries whose citizens were released as a result exchange were also present at the briefing. On Wednesday, Turkish President Recep Tayyip Erdogan announced that Russia and Ukraine had exchanged 200 prisoners as a result of Turkiye's mediation and diplomatic exchanges with the leaders of the two countries. Ukraine's President Volodymyr Zelenskyy confirmed the exchange of 215 Ukrainian soldiers in a video statement and thanked Turkiye for its role. Gian Marco Benedetto / Anadolu Agency/ABACAPRESS.COM

KYIV, UKRAINE - SEPTEMBER 22: Head Office of the President of Ukraine Andriy Yermak (not seen), Chief of the Defence Intelligence of Ukraine Major-General Kyrylo Budanov (R), Ukrainian Minister of Internal Affairs Denys Monastyrskyi (L), Acting Head of the SBU Vasyl Malyuk (C) attend a press briefing on the release of Ukrainian defenders from Russian captivity, in Kyiv, Ukraine on September 22, 2022. On Wednesday, Turkish President Recep Tayyip Erdogan announced that Russia and Ukraine had exchanged 200 prisoners as a result of Turkiye's mediation and diplomatic exchanges with the leaders of the two countries. Ukraine's President Volodymyr Zelenskyy confirmed the exchange of 215 Ukrainian soldiers in a video statement and thanked Turkiye for its role. Gian Marco Benedetto / Anadolu Agency/ABACAPRESS.COM

KYIV, UKRAINE - SEPTEMBER 22: Head Office of the President of Ukraine Andriy Yermak, Chief of the Defence Intelligence of Ukraine Major-General Kyrylo Budanov (not seen), Ukrainian Minister of Internal Affairs Denys Monastyrskyi (not seen), Acting Head of the SBU Vasyl Malyuk (not seen) attend a press briefing on the release of Ukrainian defenders from Russian captivity, in Kyiv, Ukraine on September 22, 2022. On Wednesday, Turkish President Recep Tayyip Erdogan announced that Russia and Ukraine had exchanged 200 prisoners as a result of Turkiye's mediation and diplomatic exchanges with the leaders of the two countries. Ukraine's President Volodymyr Zelenskyy confirmed the exchange of 215 Ukrainian soldiers in a video statement and thanked Turkiye for its role. Gian Marco Benedetto / Anadolu Agency/ABACAPRESS.COM

In this photo provided by the Ukrainian Interior Ministry Press Office, Ukrainian Interior Minister Denys Monastyrsky, second left, talks with Azov regiment commander Denys Prokopenko, second right, who was released in a prisoner exchange between Russia and Ukraine, in Chernyhiv, Ukraine, late Wednesday, Sept. 21, 2022. (Ukrainian Interior Ministry Press Office via AP)

In this photo provided by the Ukrainian Interior Ministry Press Office, Azov officer Sviatoslav Palamar, center, who was released in a prisoner exchange between Russia and Ukraine, speaks on the phone in Ankara, Turkey, late Wednesday, Sept. 21, 2022. (Ukrainian Interior Ministry Press Office via AP)

UKRAINE - RUSSIA CONFLICT 100 DAYS 100 PICTURES AFP presents a selection of 100 pictures to mark 100 days of Russia's war in Ukraine This photo released on May 10, 2022 by the Azov regiment shows an injured Ukrainian serviceman inside the Azovstal iron and steel works factory in eastern Mariupol, Ukraine, amid the Russian invasion. (Photo by Dmytro 'Orest' Kozatskyi / various sources / AFP) / UKRAINE - RUSSIA CONFLICT 100 DAYS 100 PICTURES