On 22 April 2013, a lower deck smoke warning occurred on an Airbus A330-300 almost 90 minutes into the cruise and over land. The warning remained on after the prescribed crew response and after an uneventful MAYDAY diversion was completed, the hold was found to be full of smoke and fire eventually broke out after all occupants had left the aircraft. The Investigation was unable to determine the fire origin but noted the success of the fire suppression system whilst the aircraft remained airborne and issues relating to the post landing response, especially communications with the fire service.