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
Showers could be heavy for a time but most should still enjoy sunny spells.
The chief executive of EDF has urged the government to go ahead with the new nuclear plant.
An Italian prosecutor investigating the quake aftermath believes cheap renovations may be partly to blame for the high death toll.