FILE: Japanese Prime Minister Fumio Kishida leaves Heneda Airport in Tokyo on March 19, 2023. PM Kishida visits Ukraine to meet Ukrainian President Volodymyr Zelenskyy. PM Kishida visited India to hold a meeting with Indian Prime Minister Narendra Modi, and took a chartered plane for making a surprise visit to Ukraine.( The Yomiuri Shimbun via AP Images )

FILE: Japanese Prime Minister Fumio Kishida leaves Heneda Airport in Tokyo on March 19, 2023. PM Kishida visits Ukraine to meet Ukrainian President Volodymyr Zelenskyy. PM Kishida visited India to hold a meeting with Indian Prime Minister Narendra Modi, and took a chartered plane for making a surprise visit to Ukraine.( The Yomiuri Shimbun via AP Images )

FILE: Japanese Prime Minister Fumio Kishida speaks to media at the prime minister's residence in Tokyo on March 19, 2023. PM Kishida visits Ukraine to meet Ukrainian President Volodymyr Zelenskyy. PM Kishida visited India to hold a meeting with Indian Prime Minister Narendra Modi, and took a chartered plane for making a surprise visit to Ukraine.( The Yomiuri Shimbun via AP Images )

FILE: Japanese Prime Minister Fumio Kishida speaks to media at the prime minister's residence in Tokyo on March 19, 2023. PM Kishida visits Ukraine to meet Ukrainian President Volodymyr Zelenskyy. PM Kishida visited India to hold a meeting with Indian Prime Minister Narendra Modi, and took a chartered plane for making a surprise visit to Ukraine.( The Yomiuri Shimbun via AP Images )

FILE: Japanese Prime Minister Fumio Kishida speaks to media at the prime minister's residence in Tokyo on March 19, 2023. PM Kishida visits Ukraine to meet Ukrainian President Volodymyr Zelenskyy. PM Kishida visited India to hold a meeting with Indian Prime Minister Narendra Modi, and took a chartered plane for making a surprise visit to Ukraine.( The Yomiuri Shimbun via AP Images )

FILE: Japanese Prime Minister Fumio Kishida speaks to media at the prime minister's residence in Tokyo on March 19, 2023. PM Kishida visits Ukraine to meet Ukrainian President Volodymyr Zelenskyy. PM Kishida visited India to hold a meeting with Indian Prime Minister Narendra Modi, and took a chartered plane for making a surprise visit to Ukraine.( The Yomiuri Shimbun via AP Images )

FILE: Japanese Prime Minister Fumio Kishida speaks to media at the prime minister's residence in Tokyo on March 19, 2023. PM Kishida visits Ukraine to meet Ukrainian President Volodymyr Zelenskyy. PM Kishida visited India to hold a meeting with Indian Prime Minister Narendra Modi, and took a chartered plane for making a surprise visit to Ukraine.( The Yomiuri Shimbun via AP Images )

FILE: Japanese Prime Minister Fumio Kishida speaks to media at the prime minister's residence in Tokyo on March 19, 2023. PM Kishida visits Ukraine to meet Ukrainian President Volodymyr Zelenskyy. PM Kishida visited India to hold a meeting with Indian Prime Minister Narendra Modi, and took a chartered plane for making a surprise visit to Ukraine.( The Yomiuri Shimbun via AP Images )

FILE: Japanese Prime Minister Fumio Kishida leaves Heneda Airport in Tokyo on March 19, 2023. PM Kishida visits Ukraine to meet Ukrainian President Volodymyr Zelenskyy. PM Kishida visited India to hold a meeting with Indian Prime Minister Narendra Modi, and took a chartered plane for making a surprise visit to Ukraine.( The Yomiuri Shimbun via AP Images )

FILE: Japanese Prime Minister Fumio Kishida leaves Heneda Airport in Tokyo on March 19, 2023. PM Kishida visits Ukraine to meet Ukrainian President Volodymyr Zelenskyy. PM Kishida visited India to hold a meeting with Indian Prime Minister Narendra Modi, and took a chartered plane for making a surprise visit to Ukraine.( The Yomiuri Shimbun via AP Images )

FILE: Japanese Prime Minister Fumio Kishida leaves Heneda Airport in Tokyo on March 19, 2023. PM Kishida visits Ukraine to meet Ukrainian President Volodymyr Zelenskyy. PM Kishida visited India to hold a meeting with Indian Prime Minister Narendra Modi, and took a chartered plane for making a surprise visit to Ukraine.( The Yomiuri Shimbun via AP Images )

FILE: Japanese Prime Minister Fumio Kishida leaves Heneda Airport in Tokyo on March 19, 2023. PM Kishida visits Ukraine to meet Ukrainian President Volodymyr Zelenskyy. PM Kishida visited India to hold a meeting with Indian Prime Minister Narendra Modi, and took a chartered plane for making a surprise visit to Ukraine.( The Yomiuri Shimbun via AP Images )

FILE: Japanese Prime Minister Fumio Kishida speaks to media at the prime minister's residence in Tokyo on March 19, 2023. PM Kishida visits Ukraine to meet Ukrainian President Volodymyr Zelenskyy. PM Kishida visited India to hold a meeting with Indian Prime Minister Narendra Modi, and took a chartered plane for making a surprise visit to Ukraine.( The Yomiuri Shimbun via AP Images )

FILE: Japanese Prime Minister Fumio Kishida speaks to media at the prime minister's residence in Tokyo on March 19, 2023. PM Kishida visits Ukraine to meet Ukrainian President Volodymyr Zelenskyy. PM Kishida visited India to hold a meeting with Indian Prime Minister Narendra Modi, and took a chartered plane for making a surprise visit to Ukraine.( The Yomiuri Shimbun via AP Images )

FILE: Japanese Prime Minister Fumio Kishida speaks to media at the prime minister's residence in Tokyo on March 19, 2023. PM Kishida visits Ukraine to meet Ukrainian President Volodymyr Zelenskyy. PM Kishida visited India to hold a meeting with Indian Prime Minister Narendra Modi, and took a chartered plane for making a surprise visit to Ukraine.( The Yomiuri Shimbun via AP Images )

FILE: Japanese Prime Minister Fumio Kishida speaks to media at the prime minister's residence in Tokyo on March 19, 2023. PM Kishida visits Ukraine to meet Ukrainian President Volodymyr Zelenskyy. PM Kishida visited India to hold a meeting with Indian Prime Minister Narendra Modi, and took a chartered plane for making a surprise visit to Ukraine.( The Yomiuri Shimbun via AP Images )

FILE: Japanese Prime Minister Fumio Kishida speaks to media at the prime minister's residence in Tokyo on March 19, 2023. PM Kishida visits Ukraine to meet Ukrainian President Volodymyr Zelenskyy. PM Kishida visited India to hold a meeting with Indian Prime Minister Narendra Modi, and took a chartered plane for making a surprise visit to Ukraine.( The Yomiuri Shimbun via AP Images )

FILE: Japanese Prime Minister Fumio Kishida speaks to media at the prime minister's residence in Tokyo on March 19, 2023. PM Kishida visits Ukraine to meet Ukrainian President Volodymyr Zelenskyy. PM Kishida visited India to hold a meeting with Indian Prime Minister Narendra Modi, and took a chartered plane for making a surprise visit to Ukraine.( The Yomiuri Shimbun via AP Images )

FILE: Japanese Prime Minister Fumio Kishida leaves Heneda Airport in Tokyo on March 19, 2023. PM Kishida visits Ukraine to meet Ukrainian President Volodymyr Zelenskyy. PM Kishida visited India to hold a meeting with Indian Prime Minister Narendra Modi, and took a chartered plane for making a surprise visit to Ukraine.( The Yomiuri Shimbun via AP Images )

FILE: Japanese Prime Minister Fumio Kishida leaves Heneda Airport in Tokyo on March 19, 2023. PM Kishida visits Ukraine to meet Ukrainian President Volodymyr Zelenskyy. PM Kishida visited India to hold a meeting with Indian Prime Minister Narendra Modi, and took a chartered plane for making a surprise visit to Ukraine.( The Yomiuri Shimbun via AP Images )

Japanese Prime Minister Fumio Kishida, center, and Emine Dzhaparova, First Deputy Foreign Minister of Ukraine, right, at the railway station in Kyiv, Ukraine, Tuesday, March 21, 2023. (Ukrainian Presidential Press Office via AP)

Japanese Prime Minister Fumio Kishida, and Emine Dzhaparova, First Deputy Foreign Minister of Ukraine shake hands at the railway station in Kyiv, Ukraine, Tuesday, March 21, 2023. (Ukrainian Presidential Press Office via AP)

In this image made from video provided by Japan's NTV, Japanese Prime Minister Fumio Kishida gets on train in Przemysl, Poland, early Tuesday, March 21, 2023, heading to Kyiv for talks with Ukrainian President Volodymyr Zelenskyy. Kishida’s surprise trip to Ukraine comes just hours after he met with Indian Prime Minister Narendra Modi in New Delhi. (NTV via AP)

(COMBO) This combination of file pictures created on March 21, 2023 shows Japan's Prime Minister Fumio Kishida (L) speaking during a press conference at his official residence in Tokyo on March 17, 2023, and Ukraine's President Volodymyr Zelensky speaking during a press conference following a round-table meeting as part of an EU summit in Brussels on February 9, 2023. - Kishida will meet Ukrainian President Volodymyr Zelensky for talks in Kyiv on March 21, 2023 during a surprise visit, the Japanese foreign ministry said in a statement. (Photo by Yoshikazu Tsuno and Ludovic MARIN / various sources / AFP)

In this handout photo taken and released by the Ukrainian Foreign Ministry press service on March 21, 2023, shows Ukraine's Deputy Foreign Affairs Minister of Ukraine Emine Dzhaparova (R) walking with Japan's Prime Minister Fumio Kishida (C) upon his arrival for a visit in Kyiv, amid Russia's military invasion on Ukraine. - Japan's prime minister arrived in Kyiv on March 21, after the foreign ministry announced he was headed on a surprise trip to Ukraine. (Photo by Handout / Ukrainian Foreign Ministry press-service / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / Ukrainian Foreign Ministry press-service" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

In this handout photo taken and released by the Ukrainian Foreign Ministry press service on March 21, 2023, shows Japan's Prime Minister Fumio Kishida (L) walking with Ukraine's Deputy Foreign Affairs Minister of Ukraine Emine Dzhaparova upon arrival for a visit in Kyiv, amid Russia's military invasion on Ukraine. - Japan's prime minister arrived in Kyiv on March 21, after the foreign ministry announced he was headed on a surprise trip to Ukraine. (Photo by Handout / Ukrainian Foreign Ministry press-service / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / Ukrainian Foreign Ministry press-service" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS