A plane carrying 239 people from Kuala Lumpur to Beijing went missing on Saturday morning .
The Malaysia airline said flight MH370 disappeared at 2:40 am local time (1840 GMT Friday), about two hours after leaving Kuala Lumpur International Airport. It had been due to arrive in Beijing at 6:30 am local time (2230 GMT Friday).
A statement posted on the official Vietnamese government website said the flight disappeared in Vietnamese airspace.
“The plane lost contact in Ca Mau province airspace before it had entered contact with Ho Chi Minh City air traffic control,” it said.
The plane was meant to transfer to Ho Chi Minh City air traffic control at 1722 GMT but never appeared, the statement said, citing a senior Ministry of Defence official.