Latest theory: Investigators looking into whether Malaysian jet was hijacked by pirates

A U.S. official has said investigators were examining the possibility the disappearance of the Malaysia Airline jet was ‘an act of piracy’.

The official said while other theories were still being examined, key evidence for ‘human intervention’ in the plane’s disappearance is that contact with its transponder stopped about a dozen minutes before a messaging system quit.

The official said it was also possible the plane may have landed somewhere.

As the search continued for the missing Boeing 777, which vanished with 239 people on board, it was earlier claimed military radar suggested the plane was deliberately flown towards the India’s Andaman Islands.

Two sources familiar with the investigation told Reuters an unidentified aircraft that investigators believe was Flight MH370 was following a route between navigational waypoints when it was last plotted on military radar off the country’s northwest coast…