Prime Minister David Cameron has reiterated the benefits of Britain's role within the European Union after receiving international support at the G7 and denied he is a "closet Brexiteer".
At the summit in Japan, world leaders warned Brexit would pose a serious risk to global growth.
Brexit would cause pose a serious risk to global growth, world leaders have warned at the G7 summit in Japan.
Leaders said in a declaration: "UK exit from EU would reverse trend toward greater global trade, investment and jobs. Brexit would be [a] serious risk to global growth."
The group of industrial powers expressed concern about the risks to the world economy amid a modest economic performance, and pledged to seek strong and sustainable growth.
In a statement ending the two-day summit, the G7 said: "Global growth remains moderate and below potential, while risks of weak growth persist. Global growth is our urgent priority."
German Chancellor Angela Merkel said that although G7 leaders did not specifically discuss the possibility of Britain leaving the EU at their summit meeting, there was a consensus that they wanted Britain to remain in the union.
"It was no subject here," she told reporters on the sidelines of the summit. "But there was the signal that all who sat here want Britain to stay part of the EU. The decision is up to the British voters."
ITV News Deputy Political Editor Chris Ship tweeted from Japan:
Why did David Cameron decide to remain silent on a subject seen as vital to many voters in the referendum campaign? I asked him, to find out
After all the alarmist talk of economic armageddon has David Cameron just admitted that Britain would actually be fine outside the EU?