UPDATE [12:37]: Tuoi Tre, a leading daily in Vietnam, reports that the Vietnamese Navy has confirmed the plane crashed into the ocean. According to Navy Admiral Ngo Van Phat, Commander of the Region 5, military radar recorded that the plane crashed into the sea at a location 153 miles South of Phu Quoc island.
As expected, debris has been spotted...
http://mobile.reuters.com/article/idUSBREA2707I20140308?irpc=932
Admiral Ngo Van Phat told Reuters the plane may have crashed in Malaysian waters, 153 miles off the coast of Vietnam’s Tho Chu island, according to its speed and last known location.
The admiral denied earlier reports in Vietnamese state media quoting him as saying the plane had actually crashed.