Crews work on an an Air Canada Airbus A320 that slid off the runway at Halifax Stanfield Airport in Enfield, Nova Scotia. The Air Canada plane suffered heavy damage in the accident after landing short of the runway hitting an antenna and losing its landing gear, safety officials said. No one was killed in the accident that sent more than 20 passengers and crew to hospital. All but one of those treated had been released by later in the day, the airline said.Picture: REUTERS/Mark Blinch

Credit : REUTERS/Mark Blinch