Cancun flight bound for Calgary diverted to Memphis after fire reported on board

A  737 bound for Calgary from Cancun was diverted to Memphis early Tuesday evening, where it landed safely. Sunwing flight WG596 declared a Mayday for a fire in the aircraft, which was possibly from a passenger's personal item, which was extinguished prior to landing. The flight landed safely in Memphis and taxied to the gate. The flight departed Cancun at 4:51 Cancun time and was scheduled to arrive in Calgary at 7:45. There was no word on when it would resume the flight to Calgary. This i