Chancellor George Osborne has said the vote to leave the EU was "not the outcome I wanted" but that he will "do all I can to make it work".
Mr Osborne, who campaigned for remain, described it as a "hard fought campaign".
He said he had discussed the decision with G7 finance ministers and bank governors.
It was a hard fought campaign. It is not the outcome I wanted but I respect decision of British people and will do all I can to make it work
A petition calling for a second EU referendum is proving so popular that the website has crashed.
People are invited to share alleged racism or xenophobia stories after Brexit vote to highlight "need for a plan to tackle" social effects.
Time for Project Let's-Make-the-Best-of-it.