Sir Keir Starmer insisted he would “always put our national interest first” in response to Donald Trump’s steel tariffs. The prime minister told MPs the UK would not “abandon” steelworkers amid warnings that the UK steel industry faces a devasting blow when Mr Trump’s 25 per cent tax on imports to the US comes into effect next month.

Britain is to remain "cool and clear-headed" despite being hit with a large import tax on steel and aluminium.

Relations between presidents and prime ministers aren’t always easy, even without Elon Musk weighing in with his views.