Vietnamese military personnel take part in the search for a missing Malaysian airliner off Vietnam's Tho Chu island, March 10, 2014.
Authorities are investigating identities of two passengers who were traveling with stolen passports and five other individuals who checked in, but did not board flight.
Malaysia Airlines says contact was lost with Flight MH370 about an hour after it took off from the Malaysian capital.
Malaysia Airlines says it has lost contact with Flight MH370 about two hours after it took off from the Malaysian capital early Saturday morning local time. An international search has so far found no trace of a missing flight with 239 passengers and crew on board.
World Wide Fund for Nature calls proposed Don Sahong dam a 'recipe for disaster'.