"Six buildings were damaged by the impact, including a hotel and a residential high-rise building. This is a deliberate attack on civilians," he added.

Read here The mayor of Sloviansk has called on its remaining residents to evacuate

The mayor of Sloviansk, Vadym Lyakh, said his city near Kramatorsk has come under Russian fire. Some residents were injured, he said, without providing further details. Ukraine’s military said pressure is intensifying with heavy shelling on Sloviansk and nearby populated areas.