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.

SEOUL - An investigation into a fire that engulfed an Air Busan plane at a South Korean airport this week is being slowed by a large amount of fuel and oxygen still on board, an air crash investigation official told Reuters.

A passenger aircraft carrying 169 passengers and seven crew members burst into flames at Gimhae International Airport in Busan, South Korea, on Tuesday

A passenger plane carrying 176 individuals caught fire at Gimhae International Airport in Busan, South Korea, on Tuesday night. The fire occurred just before the aircraft was set to take off. Fortunately, all passengers and crew were evacuated safely, as per local reports.

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.

Ongoing ! An Air Busan Airbus A321 aircraft caught fire at Gimhae International Airport (PUS). At around 10:30pm local time on the 28th, a fire broke out in the tail section of an Air Busan plane bound for Hong Kong at Gimhae Airport. It was reported that all 170 passengers… pic.twitter.com/pa1CwaUEj6

A plane at South Korea's Gimhae International Airport caught fire before takeoff, prompting an urgent evacuation. All 176 on board escaped safely. This incident follows a tragic December crash where a Jeju Air flight crash-landed,

An Airbus plane belonging to South Korean carrier Air Busan caught fire on Tuesday at Gimhae International Airport in the country's south while preparing for departure to Hong Kong, fire authorities said.

The incident comes in the wake of 179 people dying when a plane skidded off a runway at a different airport in the country last month.

The Airbus A321 was preparing for takeoff to Hong Kong when flames erupted in its rear section, the Transport Ministry said in a statement. Emergency protocols were quickly activated, and all 169 passengers,

Fire breaks out on an Air Busan A321 bound for Hong Kong at Gimhae International Airport in Busan, South Korea. At around 10:30 p.m. on Tuesday, a fire broke out in the tail section of the aircraft. All 170 passengers and crew evacuated, and there were no casualties,… pic.twitter.com/GqzIkrUx85