Trump said the baseline tariff level could be much higher for other countries than the 10% that Britain agreed to.

The government has hailed the new deal with the US as positive for the UK, but many have pointed out that tariffs are still higher than they were a few months ago. On Thursday, both Keir Starmer and Donald Trump were keen to play up the agreement that saw tariffs lowered on both sides.

US automakers complain a trade deal Trump negotiated with London resulted in lower fees than those for cars or parts made in Canada and Mexico.