The leaders of the Commonwealth group of nations will meet at a welcome banquet in Samoa in the South Pacific on Thursday, with climate change and reparations for Britain's role in the transatlantic slave trade both likely to be on the agenda.

King Charles III participated in a traditional kava-drinking ceremony in Samoa, being declared a “high chief” during his 11-day tour of Australia and Samoa. Dressed in a white safari suit, he enjoyed the mildly narcotic kava brew, a key part of Pacific culture. This marks his… pic.twitter.com/OfxfQPFaeu

King Charles III arrived in Samoa on Wednesday to preside over the gathering of Commonwealth presidents and prime ministers for the first time as head of the monarchy.