The UK ambassador in Zimbabwe met the president on Tuesday in the capital, Harare, to discuss about the coronation.

Ambassador Melanie Robinson tweeted a picture of the meeting in which they also talked about "trade, investment projects and the importance of peaceful, free and fair elections later this year".

"The president has been invited and has accepted that invitation and will be travelling to London for that," Ms Robinson is quoted as saying by the state-owned Herald newspaper.

Britain's relationship with Zimbabwe soured following land reforms implemented during the tenure of former long-time ruler Robert Mugabe.

The US and European Union both retain sanctions against companies and officials in Zimbabwe, including President Mnangagwa.