"February 19, the Department of Homeland Security told the aviation industry that it has credible but non-specific information about a shoe-bomb plot against an airliner....
February 24, the East Turkestan Islamic Movement (ETIP) released a video threatening attacks on Chinese Buddhists.
The group is linked to Al-Qaeda.
March 1, a vicious knife attack took place that killed 29 Chinese civilians. ETIP is almost certainly the culprit.
March 3, China Airlines issued an alert about a significant risk of terrorist attacks against aviation.
March 4, China Airlines branch in Taiwan receives an anonymous phone call in French. He says he tried to call the Beijing airport but did not get through.
The caller claims to be part of a counter-terrorism group....
in his native Chinese he says that Beijings airport and subway system will soon come under attack.
March 8, Malaysian Airlines Flight 370 from Kuala Lumpur to Beijing disappears. The majority of the passengers are Chinese.
March 9, a previously-unknown group called the Chinese Martyrs Brigade claims credit.
(Although Islamist terrorist groups sometimes use different names, the statement includes no supporting details to lend it credibility.)
March 13, it was reported that a 35-year old Chinese Uighur passenger with flight simulation training.....
http://www.clarionproject.org/analysis/missing-malaysian-flight-370-five-theories