That’s my focus.”Sir Keir has made history as the first UK Prime Minister to have visited a Pacific island nation, and will be in the company of the King, the head of the Commonwealth, during the gathering.

A confrontation for Britain over its role in the trans-Atlantic slave trade appears increasingly likely to feature at a summit of nations its empire once colonized, after Caribbean leaders said they would thrust the matter of financial reparations into the spotlight at the event in Samoa.