Suspected US drone strikes have killed seven al-Qaida militants in southern Yemen.

America’s security chiefs have met to review the threat of a terrorist attack that led to the weekend closure of 21 US embassies and consulates in the Muslim world and a global travel warning.

The United States issued an extraordinary global travel warning to Americans about the threat of an al-Qaida attack and closed down 21 embassies and consulates across the Muslim world for the weekend.