South Korean officials are launching an investigation into the cause of the fire that engulfed an Air Busan passenger plane, with eyewitness accounts suggesting a power bank may have sparked the blaze.

The fire broke out in the back of the cabin, officials said. All 176 people on board, including passengers and crew members, were evacuated, some with minor injuries.

An Airbus plane has caught fire at an airport of South Korea's city of Busan, forcing the evacuation of all 176 people on board, fire authorities say. They say three people were injured as they were escaping the Air Busan aircraft on inflatable slides in the south-eastern airport on Tuesday evening.