Labour leader Jeremy Corbyn is facing the prospect of a leadership challenge after deputy leader Tom Watson failed to persuade him to stand down. Former shadow business secretary Angela Eagle will announce her intentions on Thursday amid reports she is preparing to run as a "unity" candidate. Share Go To Mr Watson said the party was heading towards a full-blown leadership contest after Mr Corbyn had refused even to discuss some form of "negotiated settlement" following Tuesday's unprecedented vote of no confidence by Labour MPs. While Mr Watson, who has also faced calls to stand, ruled himself out as a challenger, he said: "This does...