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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It comes in contrast to other major European countries including Germany, France and Spain where growth exceeded expectations.
Nine people have died and several are in hospital after being discovered in the back of a lorry in a car park in Texas.
The parents of the terminally-ill 11-month-old say there is new evidence they hope will persuade a judge to change his mind.