• Wes Streeting resigned as UK health secretary to challenge Keir Starmer's leadership.
• His announcement comes after significant losses in local elections for Labour.
• Streeting emphasizes the need for a contest with strong candidates.
• Greater Manchester mayor Andy Burnham is also seen as a potential leadership challenger.

Wes Streeting, who recently resigned as the U.K. health secretary, officially announced his intention to run for Labour leader and, by extension, Prime Minister, citing the need for a "proper contest" following dismal local election results. "We need a proper contest with the best candidates on the field, and I'll be standing," he stated at a think tank event in London, underscoring his discontent with current leader Keir Starmer's vision for the party, which he described as a "vacuum," according to CBS News, Channel News Asia, and Al Jazeera.

Streeting's resignation came amid mounting pressure on Starmer, as four junior ministers stepped down following the local elections, leading to speculation of a leadership contest. While Streeting has not formally initiated the leadership challenge process, he has stated that other candidates, including Greater Manchester mayor Andy Burnham, should also have the opportunity to run. "If we had rushed ahead without giving Andy a chance to stand, the new leader... would lack legitimacy," Streeting explained, emphasizing a measured approach, according to Channel News Asia and Al Jazeera.

Pressure on Starmer escalated significantly after his party's local election losses, with more than 80 MPs reportedly urging him to resign. Streeting's criticism echoes a broader sentiment within the Labour Party that Starmer's leadership is lacking direction and preparation. He pointed out that Labour arrived in government "underprepared in too many areas and lacking clarity of vision and direction," a sentiment shared among many disenchanted party members, according to CBS News and Al Jazeera.