The FBI is investigating after hackers claiming to work on behalf of Islamic State militants seized control of the Twitter and YouTube sites of the US military.

American embassies, military units and other US interests are bracing for possible security threats related to the planned release of a report on the CIA’s harsh interrogation techniques, the White House says.

Hopes of finding the missing British crew of the Cheeki Rafiki have all but faded after the yacht’s life raft was found on board the capsized vessel.

The US Navy has found the hull of the yacht Cheeki Rafiki which went missing a week ago.

Debris has reportedly been found in the Atlantic Ocean in the area where UK yacht the Cheeki Rafiki went missing.

A British MP has backed calls by the families and colleagues of four Britons who went missing when a yacht capsized in the mid-Atlantic Ocean for the American authorities to relaunch the search and rescue mission to find them.

The United States and other nations in the Group of Seven have agreed to “move swiftly” – as early as Monday – to impose additional economic sanctions on Russia for its actions in Ukraine.

Irrespective of the bill, the hunt provides a perfect training opportunity, writes Leon Drouin-Keith