Sir Keir Starmer has welcomed the ceasefire agreement between Iran and the US as he travelled to meet with leaders of countries in the Gulf, BBC reported. 

The prime minister is expected to "discuss diplomatic efforts to support and uphold the ceasefire", according to No 10. He will return to the UK on Friday.

The ceasefire comes after Donald Trump threatened "a whole civilisation will die" if Iran did not agree to end the war and unblock the Strait of Hormuz - comments that led Downing Street to call again for "de-escalation".