He survived the Buchenwald Nazi concentration camp during World War II. He survived the Dora-Mittelbau concentration camp in the same war. And the Bergen-Belsen camp. Last week Boris Romanchenko, a 96-year-old Holocaust survivor, was killed when shelling hit his ordinary apartment in the war-ravaged Ukrainian city of Kharkiv. “It is with horror that we announce the violent death of Boris Romanchenko in the war in Ukraine,” the Buchenwald Memorial said in a statement Monday. The multi-storey building where Romanchenko lived was bombed and caught fire,” the statement said. Kharkiv, Ukraine’s second-largest city, has been under heavy Russian artillery fire throughout...