Ukraine's foreign minister has condemned the killing of a 96-year-old Nazi concentration camp survivor by a Russian bomb as an "unspeakable crime." Dmytro Kuleba said Boris Romanchenko "lived his quiet life in Kharkiv until recently. Last Friday a Russian bomb hit his house and killed him. Unspeakable crime. Survived Hitler, murdered by Putin."Mr Kuleba said Mr Romanchenko spent time in four different concentration camps: Buchenwald, Peenemünde, Mittelbau-Dora and Bergen-Belsen. The Buchenwald and Mittelbau-Dora Memorials Foundation confirmed their "friend" died last week.In a post on their website, the Holocaust memorial foundation said: "It is with horror that we report the violent...