Recently-resigned minister says Labour needs 'proper' leadership contest; popular Manchester Mayor Andy Burnham also launches run, seen as favorite to unseat Starmer

British Prime Minister Keir Starmer has the challenge he dared his mutinous party to produce, setting up a potential clash over the future of the United Kingdom and its ruling center-left Labour Party.

Former health minister Wes Streeting said on Saturday that he would challenge British Prime Minister Keir Starmer in any leadership contest held, days after stepping down and urging Starmer to set a timetable for his departure.

British Prime Minister Keir Starmer is fighting for his job after devastating local election results. Two junior ministers resigned from the government and called for a change in leadership.

Despite a fifth of British Prime Minister Keir Starmer's fellow Labour Party lawmakers calling on him to step down, he says he'll "get on with governing."

Calls are growing among his MPs for UK Prime Minister Sir Keir Starmer to be replaced, while he has said he will "get on with governing". It is a dramatic turnaround for the man who won a landslide victory two years ago but has since made several U-turns on unpopular policies and faced a series of scandals.

Prime Minister Keir Starmer seemed to have won a temporary reprieve on Tuesday after daring his rivals to challenge him, but the underlying problems with his leadership remain.

British Prime Minister Keir Starmer pledged Saturday to revive the Labour Party after a disastrous set of local and regional elections.

Andy Burnham has been seeking a route back to the House of Commons to challenge Keir Starmer for the Labour leadership

Efforts to unseat British Prime Minister Keir Starmer are likely to break out into open rebellion on Thursday, with one potential rival expected to announce his bid for the job and another clearing the way for her to enter any future leadership contest.