Mayor of Donetsk Oleksandr Lukyanchenko has urged local residents to stay at home during fighting in the biggest assault in Ukraine so far.
So far more than 50 rebels and two civilians have died during clashes but the Ukraine government said it has suffered no losses.
More top news
The group of Adelie penguins dwindled from 160,000 to 10,000 after an iceberg got stuck near their colony, scientists have found.
At least 10 people have been injured after more than 50 cars were involved in a pile-up on a busy highway in Pennsylvania.
A teenager who grew an incredible 10cm overnight after an operation to correct a curve in her spine has been given the all clear by doctors.