During World War II , it was the site of a Soviet prison camp for Polish prisoners of war ( POWs ) , especially officers . 48 of them died in the camp and were buried in Chmirov cemetery . A large number of the prisoners from the camp were killed during the Katyn massacre in the Kharkiv NKVD building , later buried in Pyatykhatky forest
Katyn massacre
Katyn massacre
Starobilsk