MH370 search: What is the next step?
It has been six months since Malaysia Airlines flight MH370 disappeared with 239 passengers and crew on board.
The airliner was on a scheduled flight from Kuala Lumpur to Beijing when it vanished and no trace of the plane has been found since.
Preparations are now being made for the next phase of the underwater search for the wreckage in the southern Indian Ocean.
Richard Westcott reports.