A 96 year old Ukrainian man, who survived the Nazi Holocaust during World War Two, has been killed during a Russian attack on the eastern city of Kharkiv.
Boris Romantschenko died during Russian shelling of his apartment block on Friday, relatives said.
According to the BBC, Russian forces have been relentlessly shelling Kharkiv, which lies just 50km from the border, for over three weeks.
The Buchenwald and Mittelbau-Dora Memorials Foundation said it was “deeply disturbed” by Mr Romantschenko’s death.
The organisation, of which Mr Romantschenko was vice-president, announced the news after being informed by his family and said he had “worked intensely on the memory of of Nazi crimes”.
Mr Romantschenko was born in the north-eastern city of Bondari on 20 January 1926.
He was rounded up by Nazi troops after the invasion of the Soviet Union and deported to Germany in 1942, where he was forced to do hard labour, the foundation said.
After a failed escape attempt in 1943, he was sent to the Buchenwald concentration camp, where some 56,545 people were murdered before its liberation in 1945 by the allies.
He also spent time in the subcamp of Mittelbau-Dora, as well as the infamous Bergen Belsen and Peenemünde camps.