Western allies on Thursday rejected Russia's bid to thwart Kiev's NATO ambitions and urged Moscow to halt its military build-up along Ukraine's border and return to talks led by France and Germany. European Union leaders, meeting in Brussels, insisted on "the urgent need for Russia to de-escalate tensions caused by the military build-up along its border with Ukraine and aggressive rhetoric". Separately, NATO's members used similar language, rejecting "the false Russian claims of Ukrainian and NATO provocations" and urged Moscow to "immediately de-escalate, pursue diplomatic channels, and abide by its international commitments." Both organisations, which share most of their member...