A senior Malaysia Airlines's executive has said the airline has "no reason to believe" any actions by the crew caused the disappearance of the missing Boeing 777.
Hugh Dunleavy, the commercial director of Malaysia Airlines, told Reuters: "We have no reason to believe that there was anything, any actions, internally by the crew that caused the disappearance of this aircraft."
The search for the aircraft has been widened today to cover an area stretching from China to the Andaman Sea.
A mother has described her frustration as she waits for answers on the fate of her missing son who is on board the missing Malaysia plane.
Malaysia's military believes a jetliner missing for almost four days turned and flew hundreds of kilometres to the west.
The wife of a passenger travelling on the missing Malaysia Airlines flight has spoken of her struggle to cope as she waits for news.