What happened to flight MH370?

A Malaysian Airlines Boeing 777 vanished from tracking screens between Malaysia and Vietnam on March 8 as it was en route from Kuala Lumpur to Beijing.

Flight MH370 from Kuala Lumpur to Beijing vanished from computer screens somewhere between peninsula Malaysia and Vietnam on March 8 with 239 people on board. Planes and ships from numerous countries have joined the search of the South China Sean between Vietnam and Malaysia.

Here's a summary of what we know: