Two civilians have been killed during fighting in Donetsk.
Ukrainian forces have now seized control of the city's airport after vowing to press on with a military offensive "until not a single terrorist" was left.
More than 30 rebels are thought to have died in the clashes.
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Right-wing think tank warns leaving the UK in order to remain in the EU would turn Scotland into 'Greece without the sun'.
A poll of Britain's largest trade union, seen by ITV News, indicates more than half of those surveyed think the Labour leader should quit.
Party rules state the new Tory leader will be announced on 9 September, but the way things are going it could all happen much sooner.