KYIV, Ukraine—Russia and Ukraine accused each other Friday of shelling a prison in a separatist region of eastern Ukraine, an attack that reportedly killed dozens of Ukrainian prisoners of war who were captured after the fall of a southern port city in May.
Russia said Ukraine’s military used U.S.–supplied multiple rocket launchers to strike the prison in Olenivka, a settlement controlled by the Moscow-backed Donetsk People’s Republic. Separatist authorities and Russian officials said the attack killed 53 Ukrainian POWs and wounded 75.
The Ukrainian military denied making any rocket or artillery strikes in Olenivka, and said it only aims for Russian military targets. It accused the Russians of shelling the prison to cover up the alleged torture and execution of Ukrainians there….