The BBC's diplomatic correspondent Barnaby Mason says UK officials expect a statement to come out of the summit identifying terrorism and the spread of weapons of mass destruction (WMD) as the pre-eminent threat to international security.

BBC: G8 tackles trade and terror

In the wake of the recent revelation of a National Ground Intelligence Center (NGIC) report about the discovery in Iraq of some 500 chemical weapons, the House Armed Services Committee took testimony from military intelligence and civilian experts about the threat posed - both before and after Iraq's liberation - by these and other weapons of mass destruction (WMD) amassed by the regime of Saddam Hussein.

CENTERFORSECURITYPOLICY: Gaffney gives 'just the facts' on Iraqi WMD