A Russian drone hit a bus carrying workers in the Ukrainian city of Marhanets on Wednesday, killing nine people and injuring close to 50, Kyiv officials said, in an attack President Volodymyr Zelenskiy said was a "deliberate war crime".

A Russian drone has hit a bus carrying workers in the Ukrainian city of Marhanets, killing nine people in a wave of attacks that targeted civilian infrastructure in east, south and central Ukraine, officials said.