Ukrainian President Volodymyr Zelenskiy, second left, surrounded by servicemen as he visits the war-hit Donetsk region, eastern Ukraine, Saturday, Sept. 26, 2020. (Ukrainian Presidential Press Office via AP)

Ukrainian investigators stand next to the scene where the AN-26 military plane crashed on Friday night, in the town of Chuguyiv close to Kharkiv, Ukraine, Saturday Sept. 26, 2020. Searchers combing the area where a Ukrainian military aircraft crashed found two more bodies on Saturday, bringing the death toll to 26. One person survived. The plane, a twin-turboprop Antonov-26 belonging to the Ukrainian air force, was carrying a crew of seven and 20 cadets of a military aviation school when it crashed and burst into flames Friday night while coming in for landing at the airport in Chuhuiv, about 400 kilometers (250 miles) east of the capital Kyiv. (AP Photo/Andriy Andriyenko)

Ukrainian soldiers stand next to the scene where the AN-26 military plane crashed on Friday night, in the town of Chuguyiv close to Kharkiv, Ukraine, Saturday Sept. 26, 2020. Searchers combing the area where a Ukrainian military aircraft crashed found two more bodies on Saturday, bringing the death toll to 26. One person survived. The plane, a twin-turboprop Antonov-26 belonging to the Ukrainian air force, was carrying a crew of seven and 20 cadets of a military aviation school when it crashed and burst into flames Friday night while coming in for landing at the airport in Chuhuiv, about 400 kilometers (250 miles) east of the capital Kyiv. (AP Photo/Andriy Andriyenko)

(200926) -- KHARKIV, Sept. 26, 2020 (Xinhua) -- Rescuers transfer a part of the wreckage of the crashed An-26 military aircraft in Chuguev, Kharkiv region, Ukraine, Sept. 26, 2020. The death toll from the Ukrainian military plane crash rose to 26, after one of the two people with serious condition died in hospital, the State Emergency Service of Ukraine said on Saturday. The An-26 military aircraft with 27 people on board crashed on Friday. The plane was performing a training flight and was landing at the airfield of a military base near the city of Chuguev, Kharkiv region. (Photo by Sergey Starostenko/Xinhua) Xinhua News Agency / eyevine

(200926) -- KHARKIV, Sept. 26, 2020 (Xinhua) -- Photo taken on Sept. 26, 2020 shows the crash site of an An-26 military aircraft in Chuguev, Kharkiv region, Ukraine. The death toll from the Ukrainian military plane crash rose to 26, after one of the two people with serious condition died in hospital, the State Emergency Service of Ukraine said on Saturday. The An-26 military aircraft with 27 people on board crashed on Friday. The plane was performing a training flight and was landing at the airfield of a military base near the city of Chuguev, Kharkiv region. (Photo by Sergey Starostenko/Xinhua) Xinhua News Agency / eyevine

(200926) -- KHARKIV, Sept. 26, 2020 (Xinhua) -- Rescuers cleans the wreckage of the crashed An-26 military aircraft in Chuguev, Kharkiv region, Ukraine, Sept. 26, 2020. The death toll from the Ukrainian military plane crash rose to 26, after one of the two people with serious condition died in hospital, the State Emergency Service of Ukraine said on Saturday. The An-26 military aircraft with 27 people on board crashed on Friday. The plane was performing a training flight and was landing at the airfield of a military base near the city of Chuguev, Kharkiv region. (Photo by Sergey Starostenko/Xinhua) Xinhua News Agency / eyevine

(200926) -- KHARKIV, Sept. 26, 2020 (Xinhua) -- Rescuers cut the wreckage of the crashed An-26 military aircraft into parts in Chuguev, Kharkiv region, Ukraine, Sept. 26, 2020. The death toll from the Ukrainian military plane crash rose to 26, after one of the two people with serious condition died in hospital, the State Emergency Service of Ukraine said on Saturday. The An-26 military aircraft with 27 people on board crashed on Friday. The plane was performing a training flight and was landing at the airfield of a military base near the city of Chuguev, Kharkiv region. (Photo by Sergey Starostenko/Xinhua) Xinhua News Agency / eyevine

(200926) -- KHARKIV, Sept. 26, 2020 (Xinhua) -- Rescuers cleans the wreckage of the crashed An-26 military aircraft in Chuguev, Kharkiv region, Ukraine, Sept. 26, 2020. The death toll from the Ukrainian military plane crash rose to 26, after one of the two people with serious condition died in hospital, the State Emergency Service of Ukraine said on Saturday. The An-26 military aircraft with 27 people on board crashed on Friday. The plane was performing a training flight and was landing at the airfield of a military base near the city of Chuguev, Kharkiv region. (Photo by Sergey Starostenko/Xinhua) Xinhua News Agency / eyevine

(200926) -- KHARKIV, Sept. 26, 2020 (Xinhua) -- Rescuers cut the wreckage of the crashed An-26 military aircraft in Chuguev, Kharkiv region, Ukraine, Sept. 26, 2020. The death toll from the Ukrainian military plane crash rose to 26, after one of the two people with serious condition died in hospital, the State Emergency Service of Ukraine said on Saturday. The An-26 military aircraft with 27 people on board crashed on Friday. The plane was performing a training flight and was landing at the airfield of a military base near the city of Chuguev, Kharkiv region. (Photo by Sergey Starostenko/Xinhua) Xinhua News Agency / eyevine

(200926) -- KHARKIV, Sept. 26, 2020 (Xinhua) -- Local residents offer flowers to mourn for the victims in the crash of the An-26 military aircraft outside the crash site in Chuguev, Kharkiv region, Ukraine, Sept. 26, 2020. The death toll from the Ukrainian military plane crash rose to 26, after one of the two people with serious condition died in hospital, the State Emergency Service of Ukraine said on Saturday. The An-26 military aircraft with 27 people on board crashed on Friday. The plane was performing a training flight and was landing at the airfield of a military base near the city of Chuguev, Kharkiv region. (Photo by Sergey Starostenko/Xinhua) Xinhua News Agency / eyevine

(200927) -- BEIJING, Sept. 27, 2020 (Xinhua) -- Rescuers cut the wreckage of the crashed An-26 military aircraft into parts in Chuguev, Kharkiv region, Ukraine, Sept. 26, 2020. The An-26 military aircraft with 27 people on board crashed on Friday. The plane was performing a training flight and was landing at the airfield of a military base near the city of Chuguev, Kharkiv region. So far 26 people have died in the crash. (Photo by Sergey Starostenko/Xinhua) Xinhua News Agency / eyevine

200926 -- KHARKIV, Sept. 26, 2020 -- Local residents offer flowers to mourn for the victims in the crash of the An-26 military aircraft outside the crash site in Chuguev, Kharkiv region, Ukraine, Sept. 26, 2020. The death toll from the Ukrainian military plane crash rose to 26, after one of the two people with serious condition died in hospital, the State Emergency Service of Ukraine said on Saturday. The An-26 military aircraft with 27 people on board crashed on Friday. The plane was performing a training flight and was landing at the airfield of a military base near the city of Chuguev, Kharkiv region. Photo by Sergey Starostenko/Xinhua UKRAINE-KHARKIV-MILITARY PLANE-CRASH XiexErgaisitalasijianke PUBLICATIONxNOTxINxCHN

200926 -- KHARKIV, Sept. 26, 2020 -- Rescuers transfer a part of the wreckage of the crashed An-26 military aircraft in Chuguev, Kharkiv region, Ukraine, Sept. 26, 2020. The death toll from the Ukrainian military plane crash rose to 26, after one of the two people with serious condition died in hospital, the State Emergency Service of Ukraine said on Saturday. The An-26 military aircraft with 27 people on board crashed on Friday. The plane was performing a training flight and was landing at the airfield of a military base near the city of Chuguev, Kharkiv region. Photo by Sergey Starostenko/Xinhua UKRAINE-KHARKIV-MILITARY PLANE-CRASH XiexErgaisitalasijianke PUBLICATIONxNOTxINxCHN

200926 -- KHARKIV, Sept. 26, 2020 -- Rescuers cleans the wreckage of the crashed An-26 military aircraft in Chuguev, Kharkiv region, Ukraine, Sept. 26, 2020. The death toll from the Ukrainian military plane crash rose to 26, after one of the two people with serious condition died in hospital, the State Emergency Service of Ukraine said on Saturday. The An-26 military aircraft with 27 people on board crashed on Friday. The plane was performing a training flight and was landing at the airfield of a military base near the city of Chuguev, Kharkiv region. Photo by Sergey Starostenko/Xinhua UKRAINE-KHARKIV-MILITARY PLANE-CRASH XiexErgaisitalasijianke PUBLICATIONxNOTxINxCHN

200926 -- KHARKIV, Sept. 26, 2020 -- Rescuers cut the wreckage of the crashed An-26 military aircraft into parts in Chuguev, Kharkiv region, Ukraine, Sept. 26, 2020. The death toll from the Ukrainian military plane crash rose to 26, after one of the two people with serious condition died in hospital, the State Emergency Service of Ukraine said on Saturday. The An-26 military aircraft with 27 people on board crashed on Friday. The plane was performing a training flight and was landing at the airfield of a military base near the city of Chuguev, Kharkiv region. Photo by Sergey Starostenko/Xinhua UKRAINE-KHARKIV-MILITARY PLANE-CRASH XiexErgaisitalasijianke PUBLICATIONxNOTxINxCHN

200926 -- KHARKIV, Sept. 26, 2020 -- Photo taken on Sept. 26, 2020 shows the crash site of an An-26 military aircraft in Chuguev, Kharkiv region, Ukraine. The death toll from the Ukrainian military plane crash rose to 26, after one of the two people with serious condition died in hospital, the State Emergency Service of Ukraine said on Saturday. The An-26 military aircraft with 27 people on board crashed on Friday. The plane was performing a training flight and was landing at the airfield of a military base near the city of Chuguev, Kharkiv region. Photo by Sergey Starostenko/Xinhua UKRAINE-KHARKIV-MILITARY PLANE-CRASH XiexErgaisitalasijianke PUBLICATIONxNOTxINxCHN

200926 -- KHARKIV, Sept. 26, 2020 -- Rescuers cut the wreckage of the crashed An-26 military aircraft in Chuguev, Kharkiv region, Ukraine, Sept. 26, 2020. The death toll from the Ukrainian military plane crash rose to 26, after one of the two people with serious condition died in hospital, the State Emergency Service of Ukraine said on Saturday. The An-26 military aircraft with 27 people on board crashed on Friday. The plane was performing a training flight and was landing at the airfield of a military base near the city of Chuguev, Kharkiv region. Photo by Sergey Starostenko/Xinhua UKRAINE-KHARKIV-MILITARY PLANE-CRASH XiexErgaisitalasijianke PUBLICATIONxNOTxINxCHN

200926 -- KHARKIV, Sept. 26, 2020 -- Rescuers cleans the wreckage of the crashed An-26 military aircraft in Chuguev, Kharkiv region, Ukraine, Sept. 26, 2020. The death toll from the Ukrainian military plane crash rose to 26, after one of the two people with serious condition died in hospital, the State Emergency Service of Ukraine said on Saturday. The An-26 military aircraft with 27 people on board crashed on Friday. The plane was performing a training flight and was landing at the airfield of a military base near the city of Chuguev, Kharkiv region. Photo by Sergey Starostenko/Xinhua UKRAINE-KHARKIV-MILITARY PLANE-CRASH XiexErgaisitalasijianke PUBLICATIONxNOTxINxCHN

KHARKIV, UKRAINE - SEPTEMBER 25: Teams from the State Emergency Service of Ukraine continue to work at the site after a military plane crash, killing 22 people, in Kharkiv, Ukraine on September 25, 2020. State Emergency Service of Ukraine / Handout / Anadolu Agency/ABACAPRESS.COM

KHARKIV, UKRAINE - SEPTEMBER 25: Teams from the State Emergency Service of Ukraine continue to work at the site after a military plane crash, killing 22 people, in Kharkiv, Ukraine on September 25, 2020. State Emergency Service of Ukraine / Handout / Anadolu Agency/ABACAPRESS.COM

KHARKIV, UKRAINE - SEPTEMBER 25: Teams from the State Emergency Service of Ukraine continue to work at the site after a military plane crash, killing 22 people, in Kharkiv, Ukraine on September 25, 2020. State Emergency Service of Ukraine / Handout / Anadolu Agency/ABACAPRESS.COM