australia 737 flight to bali. local media is reporting the plane's emergency transponder had been turned on more than twice, triggering this hi jacking scare which of course tund out not to be the case. virgin australia putting out a statement saying at no point during the flight was the safety of the 137 passengers on board in question. now, by coincidence cnn producer was there at the airport. the time of the incident. she said that the plane was brought to a far runway, four to five control cars responded. we understand the passenger was brought into custody and was not armed. some of the flights at the airport were delayed as a result of this incident, but as of now everybody back to normal. kate? >> thank you for that update. now let's turn to the search for flight 370. it is going to get bigger with the bluefin-21 at under water drone about to finish its under water scan.