Korean authorities state that all 176 occupants of an Air Busan Airbus A321 have escaped after a fire broke out on the twinjet.

The aircraft had been scheduled to depart from Gimhae airport for Hong Kong on 28 January.

According to the Korean transport ministry, a fire broke out in the rear of the aircraft at around 22:15.

All 169 passengers plus six crew members and a maintenance worker escaped the jet via emergency slides, but the ministry says two passengers sustained minor injures and were transferred to hospital.

Air Busan A321-c-Alan Wilson Creative Commons

Source: Alan Wilson/Creative Commons

Air Busan is a low-cost subsidiary of Korean carrier Asiana

The ministry has identified the aircraft as HL7763, adding that it was preparing to operate the BX391 service.

Firefighters from the airport attended the scene, it states, extinguishing the primary blaze by 22:30. The aircraft has been substantially damaged, along the entirety of its fuselage, but the cause of the fire has yet to become clear.

Powered by International Aero Engines V2500s, the airframe was originally delivered to Asiana Airlines in 2007.

Korean authorities are already under pressure over air transport safety following the fatal Jeju Air Boeing 737-800 accident at Muan on 29 December.

Seven investigators will be sent to the scene of the A321 fire, the transport ministry states, to ascertain the circumstances of the event.