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.
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The social network has had to refine its policy on real names, saying users should use 'authentic' but not necessarily their legal names.
One estimate suggests that higher mortgage repayments could squeeze hard-pressed householders into debt peril.
Calculate your monthly mortgage repayments if interest rates rise.