The claim "Labour Members support the Prime Minister" is made in a sarcastic rhetorical context — Badenoch is taunting Labour MPs for backing Starmer despite suggesting he would betray them. Taken as a factual assertion, the evidence presents a mixed picture as of the speech date in June 2026. On one hand, there is evidence that a majority of Labour MPs still nominally backed Starmer. In spring 2026, 111 Labour MPs signed a letter of support for Starmer stating "this is no time for a leadership contest." Starmer himself insisted the "vast majority" of the Parliamentary Labour Party were loyal. The government survived key votes, including the welfare reform bill's second reading (passed 335 to 260). On the other hand, the support has been far from universal or unqualified. At least 49 Labour MPs voted against the government's welfare reform bill — the largest rebellion of Starmer's premiership — and over 130 Labour MPs signed an amendment threatening to kill the bill, forcing major concessions. More than 80 MPs reportedly called on Starmer to resign, three ministers quit, and Angela Rayner publicly said the party's approach "isn't working." Wes Streeting was reportedly preparing to challenge for the leadership. One Labour MP told PoliticsHome: "No one thinks Starmer is going to be there after May." Starmer also withdrew the whip from more MPs than any Labour leader since 1988. Therefore, while a majority of Labour MPs may have continued to nominally support Starmer, the claim obscures the significant and growing internal opposition, rebellions, and leadership speculation within the Parliamentary Labour Party by mid-2026. The support was qualified, contested, and fragmenting. Sources: - BBC News, "Starmer insists 'majority' of Labour MPs back his leadership" — https://www.bbc.co.uk/news/articles/c705228kpx9o - The Independent, "Full list of Labour MPs backing Starmer 'to deliver change the country needs'" — https://www.independent.co.uk/news/uk/politics/starmer-labour-mps-support-leadership-letter-b2975396.html - The Independent, "Rattled Starmer scrapes through on welfare reform after last-minute concession to rebel MPs" — https://www.independent.co.uk/news/uk/politics/keir-starmer-welfare-reform-bill-vote-result-labour-rebels-b2780523.html - Politics Home, "Will Major Welfare Reform Happen In 2026?" — https://www.politicshome.com/news/article/will-major-welfare-reform-happen-next-year - The Guardian, "From leftwing voters to unions: can Burnham win back Labour bases lost by Starmer?" — https://www.theguardian.com/politics/2026/jul/19/from-leftwing-voters-to-unions-can-burnham-win-back-labour-bases-lost-by-starmer-visualised