Ukrainian president Petro Poroshenko has signed a free-trade agreement with the European Union.
Georgia and Moldova also signed the deal, in a move Russia is likely to oppose.
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Speaking to ITV News' Mark Austin on the anniversary of the London bombings, ex-PM says nations around the world will need to respond.
A Canadian man has been arrested after tying more than 100 balloons to a garden chair and flying over the city of Calgary.
A van bearing the faces of some of Britain's most wanted fugitives will be driven around parts of Spain popular with expats in a new push.