UK PM news LIVE: UK PM Starmer expected to make announcement soon as speakers set up outside his office.UK PM news LIVE: United Kingdom Prime Minister Keir Starmer is expected to resign on Monday, June 22, amid mounting pressure from within the Labour Party and growing criticism from members of his cabinet. His position has come under further strain following the parliamentary victory of Labour rival Andy Burnham, who secured a decisive mandate and emerged as a potential challenger to Starmer's leadership.What may have led to Keir Starmer's downfall | Top points Mounting rebellion within Labour: Starmer faced growing pressure from his own MPs and cabinet colleagues, many of whom reportedly urged him to either set a timeline for his departure or step down immediately. Poor election results for Labour: Dissatisfaction within the party intensified after Labour suffered a series of heavy electoral defeats in May, raising doubts about Starmer's ability to lead the party into the next general election. Rise of rival Andy Burnham: Burnham's decisive by-election victory in Makerfield strengthened his position as a potential successor, with many Labour MPs reportedly viewing him as a stronger candidate to take on Nigel Farage in 2029. Questions over leadership and authority: Several senior figures, including former Health Secretary Wes Streeting, publicly distanced themselves from Starmer's leadership, fuelling concerns about his grip over the party. Failure to deliver on key promises and political setbacks: Since coming to power in 2024, Starmer has faced criticism over economic growth, public services and the cost-of-living situation. His decision to appoint Peter Mandelson as ambassador to the US, which later attracted controversy over Mandelson's links to Jeffrey Epstein, also added to the pressure on his leadership. ...Read MoreWhat may have led to Keir Starmer's downfall | Top points Mounting rebellion within Labour: Starmer faced growing pressure from his own MPs and cabinet colleagues, many of whom reportedly urged him to either set a timeline for his departure or step down immediately. Poor election results for Labour: Dissatisfaction within the party intensified after Labour suffered a series of heavy electoral defeats in May, raising doubts about Starmer's ability to lead the party into the next general election. Rise of rival Andy Burnham: Burnham's decisive by-election victory in Makerfield strengthened his position as a potential successor, with many Labour MPs reportedly viewing him as a stronger candidate to take on Nigel Farage in 2029. Questions over leadership and authority: Several senior figures, including former Health Secretary Wes Streeting, publicly distanced themselves from Starmer's leadership, fuelling concerns about his grip over the party. Failure to deliver on key promises and political setbacks: Since coming to power in 2024, Starmer has faced criticism over economic growth, public services and the cost-of-living situation. His decision to appoint Peter Mandelson as ambassador to the US, which later attracted controversy over Mandelson's links to Jeffrey Epstein, also added to the pressure on his leadership. Follow all the updates here:Jun 22, 2026 1:51:42 PM ISTUK PM news LIVE: British Prime Minister Keir Starmer is expected to make an announcement soon, as speakers are being set up in Downing Street.