British and EU trade negotiators have failed to close the gap on state aid, a key element barring their new agreement on post-Brexit trade ties, officials and diplomatic sources with the bloc said as 27 national leaders gather in Brussels on Thursday.The two-day summit in Brussels is due to deal with foreign policy but chairman Charles Michel and the bloc’s executive will also on Friday give their latest assessment on Brexit. Disagreements over corporate subsidies, fisheries and ways to solve disputes have overshadowed trade talks, while a proposed UK law that would undermine its earlier divorce deal with the bloc ... (full story)