Andy Burnham, the United Kingdom’s newly appointed Prime Minister, met with former U.S. President Donald Trump in New York this week, marking his first major international engagement since taking office. The meeting, held on the sidelines of the United Nations General Assembly, was characterized by cordial exchanges and public displays of mutual respect, although some underlying policy disagreements emerged.

During the encounter, Trump praised Burnham in unusually warm terms, describing him as a “natural businessperson” and a “great election winner,” despite Burnham’s primarily public sector background and previous criticisms of Trump’s leadership style. The U.K. Prime Minister, who had once dismissed engagement with Trump as politically shameful, appeared more measured, focusing on presenting himself as ready to strengthen relations between the U.K. and the U.S.

Trump acknowledged that bilateral ties had experienced some fluctuations recently but suggested relations were improving under Burnham’s leadership compared to his predecessor. However, the warming tone did not preclude discord on specific issues. Trump openly criticized the U.K.’s controversial proposal to sell the Chagos Islands and lease them back, calling the deal “terrible” and “ridiculous,” despite Burnham’s assurances that he intended to continue negotiations with Mauritius to revive the agreement.

The two leaders also diverged sharply on the topic of artificial intelligence regulation. Burnham advocated for a unified global framework to oversee the development and deployment of AI technologies, emphasizing the importance of international standards to mitigate potential risks. Trump, conversely, expressed firm opposition to what he described as a “globalist scheme” aimed at controlling AI, aligning with his broader skepticism toward multilateral regulatory efforts.

The diplomatic exchange included references to regional and global security issues, with Burnham signaling a willingness to collaborate with the U.S. on matters concerning the Middle East, although precise policy details were sparse. This came as Trump reiterated aggressive rhetoric toward Iran at the UN assembly, raising questions about the practical implications of future U.K. involvement.

Amid the political and policy discussions, Burnham sought to leverage the occasion to highlight Manchester, the northern English city where he previously served as mayor, using humor and local references to build rapport with his American interlocutor. The upcoming G20 summit, scheduled to take place in Manchester next year, was positioned as an opportunity for Burnham to advance his vision for international cooperation, including on emerging technologies.

Observers noted that Burnham’s engagement follows a familiar pattern among British leaders who have met Trump: initial praise and cordiality may give way to challenges as deeper policy differences surface. Burnham also alluded to a potential future conversation about the U.K.’s relationship with the European Union, suggesting openness to renewed discussions, a stance likely to complicate relations given Trump’s public support for Brexit.

While the meeting projected an image of goodwill and mutual respect, it underscored ongoing complexities in U.K.-U.S. relations amid shifting leadership and contrasting policy priorities. As Burnham navigates his new role, the interaction with Trump serves as an early test of his diplomatic approach on the global stage.