Vadim Burmenko sits on the grave of his son Roman Burmenko, who died, aged 31, while helping injured soldiers during a battle in Bakhmut, as he affixes a picture of Roman to a cross, at a soldiers' graveyard next to a freshly dug grave, amid Russia's invasion of Ukraine, in Kharkiv, Ukraine, October 23, 2022. REUTERS/Clodagh Kilcoyne REFILE - CORRECTING SURNAME