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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The three-year-old boy was reported to have repeatedly said "mummy shot" after the tragic accident.
A wet and chilly night for many, leading into a cloudy, rainy morning tomorrow. Expect some fog patches.
Angelina Jolie has spoken of how a war hero and Olympic athlete inspired her to embrace challenges at the UK premiere of her latest film.