A woman with her daughter waits for a train as they try to leave at the Kyiv train station, Ukraine, Thursday, Feb. 24, 2022. Russian troops have launched their anticipated attack on Ukraine. Big explosions were heard before dawn in Kyiv, Kharkiv and Odesa as world leaders decried the start of an Russian invasion that could cause massive casualties and topple Ukraine’s democratically elected government. (AP Photo/Emilio Morenatti)