The US president's comments come as Sir Keir Starmer arrives in Shanghai on the third day of his visit to China.

It comes after the US president suggested last month he could withdraw his support for the deal.

The US president earlier said Nato would be in "the ash heap of history" without him, after doubling down on his Greenland demands.

The UK plans to hand sovereignty of the Chagos Islands to Mauritius, while leasing a military base there - Trump says the deal is partly why he wants the US to own Greenland.

The high-velocity start to 2026 by the Trump administration has cemented Stephen Miller's position as one of its most powerful figures.