Narrative:The Viscount skidded sideways off the runway into a monsoon ditch when the pilot tried to turn the aircraft (groundloop?) at the end of the runway. The undercarriage folded up sideways and one wing was broken. The Viscount named "City of Karachi" had been delivered just 4 months prior to the accident.
Sources:
Photos

AP-AJC pictured here just prior to delivery
This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.