Some more news...
07:59 GMT - Another passport - Chinese state media is reporting that a Chinese person whose passport number is among those listed for passengers aboard the missing flight did not in fact board the plane.
According to the Xinhua news agency the person, a resident of Fujian province in eastern China, has no departure record and is still in Fujian.
Although the passport number is the same, the name listed by Malaysia Airlines for the passenger is, it says, adding the owner says he has never lost his passport.
07:47 GMT - Expanded search - Malaysian authorities have expanded their search for wreckage to the country's west coast, and asked for help from Indonesia. Searches so far had concentrated on waters to the country's east, in the South China Sea.
Malaysia Airlines investigation: Live Report