Updated

Residents in the main rebel city of Donetsk in eastern Ukraine say their neighborhood was hit by a government air strike overnight, bringing the fighting between pro-Russian separatists and the Kiev's forces closer than ever to the city center.

Rescue worker Alexander Pivko told The Associated Press that two warehouse workers were injured in the bombing. There were eight craters at the scene that appeared to be the result of aerial bombing.

Residents say they heard two explosions at around midnight accompanied by the sound of an airplane overhead. The explosions damaged industrial buildings, but one bomb fell only 10 meters from a residential building nearby.

Ukrainian forces have surrounded the rebel city of Donetsk in a conflict that has claimed at least 1,000 civilian lives.