Gatwick Airport was evacuated this morning - sparking wild rumours about what had caused the disruption. Passengers writing on social media said that a fire alarm had sounded and people asked to leave the departure lounge area. One claimed the incident unfolded after a passenger "opened an emergency door exit to vape ", though this has been denied by a spokesperson for the airport . The evacuation was confirmed to be over around 8.30am, and passengers have returned to the terminal. Flights are