The Malaysian government has signed a deal with a US company in a fresh attempt to find the wreckage of missing Malaysia Airlines flight MH370.

Sea-bed exploration company Ocean Infinity will carry out the search for the airliner across a 25 thousand-square-kilometre area. The aircraft vanished during a flight from Kuala Lumpur to Beijing four years ago with 239 people, mostly Chinese, on board. Australia, China and Malaysia ended a fruitless 200-million dollar search almost a year ago. A final report on the search gave no answers as to why the plane disappeared, or its exact location.