UK 'not impressed by Barnier's tweets' on Irish backstop - government source

Britain was "not impressed" by proposals from the European Union's chief Brexit negotiator Michel Barnier saying the bloc was ready to give Britain the unilateral right to leave the customs union, a British government source said on Friday.Barnier added in a series of tweets that Britain would still need to honour its commitment to preserve a border free of controls between EU member Ireland and the British province of Northern Ireland - something that in previous negotiations led to proposals t