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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After Roy Hodgson's resignation following England's humiliating exit from Euro 2016, who are the leading contenders to replace him?
The beleaguered Labour Party leader is clinging onto power in the face of as many as 150 MPs voting to remove him from the top job today.
Mr Osborne said he is "not the person to provide the unity my party needs".