London: British Prime Minister Keir Starmer is facing the biggest crisis of his leadership, with growing calls for his resignation amid internal Labour unrest, policy setbacks and speculation over a possible succession battle.

British Prime Minister Keir Starmer is under mounting pressure after reports suggested he could announce plans to step down, although government sources have denied that any final decision has been made and insist he remains focused on governing.

Pressure builds inside Labour

The latest turmoil follows reports that more than 100 Labour MPs have either called for Starmer's resignation or demanded a timetable for his departure. Internal unrest has intensified amid concerns over Labour's electoral performance and the government's direction.

Starmer recently insisted he would fight any leadership challenge and argued that speculation about his future was damaging for the country.

Series of setbacks weaken authority

The prime minister's troubles have accumulated over several months.

His government faced criticism after reversing several major policies under pressure from within the Labour Party, raising questions about stability and leadership. Reports also highlighted controversy surrounding the appointment of Peter Mandelson as ambassador to the United States, further fuelling criticism of the government.

The situation worsened after the resignation of Defence Secretary John Healey, who publicly criticised the government's defence spending plans. His departure was widely seen as another blow to Starmer's authority.

Labour's difficulties were compounded by disappointing local election results, while support for Nigel Farage and Reform UK continued to grow. The gains made by Reform UK have increased anxiety among Labour MPs about the party's future electoral prospects.

Andy Burnham emerges as possible successor

Much of the speculation now centres on Andy Burnham, who is widely viewed as the strongest potential successor.

Reports indicate that Burnham's recent parliamentary victory strengthened his position and provided a pathway for a formal leadership challenge. While he has not announced a bid, many Labour figures reportedly see him as the frontrunner if Starmer steps aside.

Despite widespread speculation, no official resignation announcement has been made. Government sources continue to insist that Starmer remains focused on his duties, even as reports suggest he is considering his options amid growing pressure from within his party.

If Starmer ultimately resigns, Britain would see yet another leadership change in a period marked by unusually high political turnover.