David Cameron has signed the Lough Erne declaration, which, according to the government, "focuses on private enterprise, which drives growth, reduces poverty, and creates jobs and prosperity for people around the world."
The G8 countries aimed to reduce corporate tax evasion and the document says member countries must work on closing tax loopholes.
More top news
Old Labour firebrand Derek Hatton is now locked in a new fight - to rejoin his old party.
After a career which began with carrying Britain's first nuclear bombs, the last remaining Vulcan Bomber is being retired.
Tonight will see further showers across northern Britain, whilst Wales sees rain arriving overnight pushing eastwards to many central areas