Last week, Boris Romanchenko, a 96-year-old Holocaust survivor, was killed when shelling hit his ordinary flat in the war-ravaged Ukrainian city of Kharkiv. He survived the Nazi Buchenwald concentration camp during World War II. He survived the Dora-Mittelbau concentration camp in the same war. And the Bergen-Belsen camp. “It is with horror that we report the violent death of Boris Romanchenko in the war in Ukraine,” the memorial for the Buchenwald said on Monday in a statement. The multi-storey apartment building where Romanchenko lived was shelled and caught on fire,” said the statement. Kha…