At least 37 people suffered head injuries after an Air Canada flight experienced turbulence mid-air.
The flight travelling from Vancouver to Sydney was diverted to Hawaii and injured passengers were taken to hospital in Honolulu on Thursday.
Air Canada said the Boeing 777-200 jet carrying 284 passengers "encountered sudden clear air turbulence... two hours past Hawaii".
People shared their horrific experience later with a local TV station. Passengers who were not strapped with seat belts hit the ceiling and blood was seen everywhere in the plane cabin.
An Australian country band, Hurricane Fall, were also on the flight at the time.