This is appalling
Since Russian forces were pushed back from Kyiv at the end of March, the bodies of more than 1,000 civilians have been discovered in the Bucha region - many hastily buried in shallow graves. The BBC's Sarah Rainsford has been investigating what happened at a children's summer camp - now being treated as a crime scene.
It is easy to miss the killing spot at first in the gloom. But in a cold, damp basement on the edge of the woods that made Bucha a popular get-away spot before the war, five Ukrainian men were forced to their knees and shot in the head.
To the right of the entrance, there are stones coated in blood that has turned dark red. Lying among that is a blue woollen hat with an exit hole in one side and its rim soaked in blood. In the wall, I counted at least a dozen bullet holes.