A THAI Airways flight from Bangkok landed safely in Los Angeles following a bomb threat.
Flight TG794, which departed Bangkok at 7.30am local time had 179 passengers on board, the company said in the statement.
The Federal Bureau of Investigation and Los Angeles World Airports Authority are conducting security screening of all passengers and crew, according to the statement.
CNN reported that a threatening message was found scrawled on the lavatory mirror of the aircraft, the Transportation Security Administration said.
Thai Airways flight 794 landed safely at Los Angeles International Airport shortly before 9pm local time. It was taken to a remote area where it was met by police, the security administration said.
The plane's passengers will be rescreened, authorities said.
"Law enforcement is taking all necessary precautions to ensure the safety of the passengers and crew, and will conduct an investigation to ascertain the person or group responsible for making the threat," the airport said.