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
Video of Norman the dog's Scrooge-like disdain of Christmas is becoming a festive hit online as he moans about his owners' singing.
Pope Francis has used his Christmas sermon to condemn the "brutal persecution" of minorities by Islamic State.
We look back at some of the stories, people and events that stood out in 2014.