Worn down by three years of indecision in London, European Union leaders have grudgingly offered the UK more time to ease itself out of the bloc, delaying by several weeks - but not eliminating - the threat of a chaotic British exit.

Worn down by three years of indecision in London, European Union leaders have grudgingly offered the UK more time to ease itself out of the bloc, delaying by several weeks - but not eliminating - the threat of a chaotic British exit.