People clear up rubble and lay flowers at an improvised memorial the day after a deadly Russian attack on the eastern Ukrainian city of Sumy, which killed at least 35 people, according to Kyiv. The attack has drawn condemnation and accusations of "war crimes" from leaders around the world. "There were mountains of corpses," combat medic Artem Selyanin tells AFP. "It was a complete horror." IMAGES AND SOUNDBITES