Searches are continuing over the South China Sea for traces of the missing Malaysia Airlines plane.
It's been confirmed that a floating yellow object which was spotted in the water this morning is not a life raft.
The Boeing 777 went missing mid flight between Kuala Lumpur and Beijing with 239 people on board.
Numerous lines of inquiry are being followed including terrorism and hijacking.
Journalist Clifford Coonan is in China - he says investigators are puzzled over the complete disappearance of the aircraft:
