The president's first conversation with British Prime Minister Keir Starmer had some unexpected moments.

Sir Keir Starmer's former aide said officials that were in the room during the call were barely able to contain themselves.

A routine diplomatic phone call between US President Donald Trump and then newly elected UK Prime Minister Keir Starmer ...

Morgan McSweeney tell's Political Thinking with Nick Robinson about part of the first phone call between Prime Minister Keir ...

Ex-British Prime Minister Keir Starmer's inner circle apparently had to fight to keep from cracking up during his very first phone call with Donald Trump — because the American president veered wildly ...