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Contenders expected to try to unseat UK's Starmer

May 14, 2026

UK Prime Minister Keir Starmer leaves for the opening of parliament — Pressure for Keir Starmer to quit has intensified since his party's drubbing in local elections. -EPA

Efforts to unseat British Prime Minister Keir Starmer are likely to break out into open rebellion, 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.

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Allies of Health Secretary Wes Streeting say he will make an announcement on Thursday after garnering enough support from MPs of the governing Labour Party to challenge Starmer for leadership of the party and the government.

Former Deputy Prime Minister Angela Rayner said on Thursday that she had reached an agreement with tax authorities to clear up questions about her taxes that forced her to leave the cabinet in September 2025.

Rayner told the Guardian newspaper that Starmer should "reflect on" his position, adding that she was ready to "play my part" in any leadership election if Streeting were to trigger a contest.

Pressure for Starmer to step aside or face a leadership challenge has intensified since the Labour Party suffered disastrous losses in local and regional elections on May 7, underscoring concerns that voters are frustrated with the slow pace of change under the current government.

Starmer has vowed to remain in office, warning lawmakers that any leadership contest would plunge the government into "chaos" at a time it should be focused on issues like the cost of living crisis and war in the Middle East.

Under Labour Party rules, any potential challenger to the prime minister would have to have the backing of 81 of the party's 403 members in the House of Commons.

More than that number have publicly called on Starmer to quit in recent days.

Streeting comes from the moderate wing of the left-leaning Labour Party, as does Starmer.

Rayner is a favourite of many more left-wing voters, calling on the party to do more to boost the minimum wage and raise taxes on the rich.

But other potential candidates may enter any race for the leadership.

Greater Manchester mayor Andy Burnham has been widely discussed as a potential candidate, though he would have to find a way back into parliament before he could run.

Allies have suggested a sitting member of the House of Commons could resign to make way for Burnham to run in a special election.

Burnham cancelled his regular Thursday appearance on a local BBC radio program this week to "prioritise discussions arising from last week's elections".