Tigerair Flt TT271 from Sydney to Melbourne was forced to return to Sydney, Monday, December 17 after an alleged bomb threat. Sydney’s runway 34L was closed during the incident and the aircraft towed to a remote area of the airport. The threat was in the form of a written note. Australian Federal Police officers were called to meet Tigerair flight TT271 when it touched down at 8.35pm after the crew became aware of a potential threat. It had taken off at 7.30pm. The plane was taken to a remote area for two hours before passengers were allowed to deplane at 11 pm.

Tigerair has confirmed the incident on Twitter. “The Captain made the decision to return to Sydney following an incident onboard. In line with standard procedures, the Australian Federal Police met the aircraft on arrival," Tigerair said. “The safety of our crew and guests is always our highest priority and we are working with the relevant authorities to investigate the matter. Read: Jetstar faces fines for misleading passengers  .