FILE - Russian President Vladimir Putin attends a plenary session of the St. Petersburg International Economic Forum in St. Petersburg, Russia, on Friday, June 7, 2024. (Anton Vaganov/Pool Photo via AP, File)

FILE - U.S. President-elect Donald Trump, French President Emmanuel Macron, center, and Ukraine's President Volodymyr Zelenskyy pose before a meeting at the Élysée Palace in Paris, Dec. 7, 2024. (Sarah Meyssonnier/Pool via AP, File)

FILE - British Prime Minister Keir Starmer and Ukrainian President Volodymyr Zelensky, right, shake hands ahead of their bilateral talks at Mariinskyi Palace in Kyiv, Ukraine, Thursday, Jan. 16, 2025. (Carl Court, Pool Photo via AP, File)

A Ukrainian serviceman with the Azov brigade carries a 155mm artillery shell to a self-propelled howitzer before firing toward Russian front-line positions in Ukraine's Donetsk region on Thursday, Jan. 23, 2025. (AP Photo/Evgeniy Maloletka)

FILE - Israel's Iron Dome air defense system intercepts missiles fired from Iran, in central Israel, April 14, 2024. (AP Photo/Tomer Neuberg, File)

FILE - A member of Ukraine's 24th Mechanized brigade trains at the polygon, not far from front-line in the Donetsk region of eastern Ukraine on Tuesday, Jan. 21, 2024. (AP Photo/Evgeniy Maloletka, File)

A Ukrainian brigade fires a self-propelled howitzer toward Russian front-line positions in the Donetsk region of eastern Ukraine on Thursday, Jan. 23, 2025. (AP Photo/Evgeniy Maloletka)