(First version was published at 09:56)
Malaysian authorities have not confirmed that a Malaysia Airlines flight, carrying 239 passengers and crew, had crashed after it went missing over the South China Sea, Reuters reported referring to Transport Minister Hishamuddin Hussein said on Saturday.
Hishamuddin said there was no sign of any plane wreckage and denied Vietnamese state media reports that the plane had crashed south of an island off Vietnam.
"We are doing everything in our power to locate the plane. We are doing everything we can to ensure every possible angle has been addressed," Hishamuddin told reporters near the Kuala Lumpur International Airport.
"We are looking for accurate information from the Malaysian military. They are waiting for information from the Vietnamese side."
Earlier the Vietnamese High Command of Navy announced that the Malaysia Airlines flight carrying 239 people from Kuala Lumpur to Beijing Saturday crashed off Vietnam's Tho Chu Island, northwest off the country's southernmost Cape Ca Mau, Malaysian media reported.
According to a High Command of Navy statement, the plane went down at the waters between Vietnam and Malaysia, some 153 nautical miles (300km) off Tho Chu Island in Kien Giang Province, the Vietnamese Tuoi Tre online news service reported.
"The Naval Zone 5 is ready for the search and rescue mission. There were no immediate reports of casualty," the news report said.
The flight MH370 disappeared at 2:40 am local time (1840 GMT Friday), about two hours after leaving Kuala Lumpur International Airport, according to AFP. It had been due to arrive in Beijing at 6:30 am local time (2230 GMT Friday).
It was carrying 227 passengers, including two infants, from 13 different nationalities, and 12 crew members. China's state television said 158 of the passengers were Chinese.