The American president Barack Obama has raised concerns about the world's economy after the UK vote to leave the EU.
He also appealed to the UK prime minister and other EU leaders to ensure an orderly process for the British exit.
- Advertisement -
Mr Obama was speaking at a summit in Ottawa with the leaders of Canada and Mexico, aimed at strengthening economic ties between North American countries.
In the UK – Conservative MPs have until midday to say who they want to take over from David Cameron as Prime Minister and Tory leader.
Theresa May and Boris Johnson are the favourites.
MP Graham Brady's organising the vote
