A PIA plane carrying over 200 passengers travelling from Toronto, Canada to Karachi via Islamabad was involved in a minor accident which cause the doors to lock shut and keep the passengers stranded inside. There were no injuries reported and the pilot was taken to hospital for a medical checkup. It was reported the passengers were kept on the plane for over an hour as checks were being made. The investigation team of the airline will do checks to try to find out what happened and exactly how it happened to prevent this from happening again. Luckily for the passengers there was no panic and everybody remained calm before being allowed to leave.