Britain's new finance minister Philip Hammond, under pressure from his peers from around the world, says there could be more clarity later this year on how the country will exit the European Union.
Several nations called on Britain during weekend G20 talks on the world economy to explain how the politically fraught Brexit process will unfold in order to avoid adding a new drag on the long and slow recovery from the financial crisis.
"It's right at the top of the agenda here at the G20," Hammond said at the end of the two-day meeting of the Group of 20 leading economies in the Chinese city of Chengdu. "It's a new factor affecting the global economic outlook and it has increased the uncertainty which the world economy faces."
Britain was plunged into its biggest political crisis in decades by the June 23 Brexit vote and so far it has resisted calls from some other EU countries to trigger quickly the two-year process for negotiating its exit from the bloc.
Prime Minister Theresa May, who has been in her job for less than two weeks, travelled to Germany and France last week to explain why she needed time to come up with an exit strategy.