TOPSHOT - A mass grave is seen behind a church in the town of Bucha, northwest of the Ukrainian capital Kyiv on April 3, 2022. - Ukraine and Western nations on Sunday accused Russian troops of war crimes after the discovery of mass graves and "executed" civilians near Kyiv, prompting vows of action at the International Criminal Court. City mayor Anatoly Fedoruk told AFP that 280 other bodies had been buried in mass graves. One rescue official said 57 people were found in one hastily dug trench behind a church. (Photo by Sergei SUPINSKY / AFP)