Mr. Trump called Jensen Huang, Nvidia’s chief executive, while Mr. Huang was onstage in Los Angeles and criticized calls to slow down and regulate A.I.

The debate over the safety of artificial intelligence grew personal as key tech leaders said calls for government regulation were self-serving and misplaced.

The triple lock has come under scrutiny as the number of pensioners rises making the policy more expensive.

The US president’s comments come after Anthropic co-founder Jack Clark told the BBC an AI “kill switch” may need to be mandatory.

Relocation schemes offer support for people who want to swap big cities for a cheaper, quieter life.