Ukraine said it had regained control of the Kyiv region, with Russian troops retreating from around the capital and Chernigiv city, as evidence emerged of possible civilian killings.
Former war crimes prosecutor Carla Del Ponte has called for the ICC to quickly issue an arrest warrant for Russian President Vladimir Putin over actions in Ukraine.
Zelenskyy, in an interview with a US channel, declined to comment if he ordered an attack on a Russian fuel depot. He said he does not discuss any orders he issues as commander in chief.