A British Airways Airbus A380-800, registration G-XLEB performing flight BA-286 from San Francisco,CA (USA) to London Heathrow,EN (UK), was enroute at FL370 about 640nm east of Vancouver,BC (Canada), when the crew declared medical emergency and initiated a diversion first in direction to Calgary,AB (Canada), subsequently to Vancouver reporting a number of crew and passenger were feeling sick. The aircraft landed safely on Vancouver's runway 08L about 30 minutes later. Ambulances took 25 occupants to local hospitals.

Vancouver Hospitals reported 25 patients, 20 crew and 5 passengers, suffering from smoke inhalation have been taken to three hospitals in Vancouver. 20, all of them members of the crew, were later discharged.

The airline reported 25 crew including the three pilots and 2 passengers were taken to hospitals as a precaution after a number of cabin crew became unwell during the flight, the causes of occurrence are under investigation, however, none of the occupants was treated for smoke inhalation. All 25 crew have been discharged already. The passengers have been taken to hotels and are being rebooked onto other flights.