The preliminary report was released by the Aviation and Railway Accident Investigation Board on Monday in South Korea.

Investigators found bird blood and feathers in both engines of the Jeju Air Boeing 737 that crashed in Seoul, killing 179 people.

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.

Authorities have suggested that migratory bird strikes were the cause of last month's deadly plane crash in South Korea, according to multiple reports.

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.

Both engines of the Jeju Air plane that crashed last month contained duck remains, according to a preliminary report on Monday, with authorities still trying to determine what caused the deadliest air disaster on South Korean soil. Julian Satterthwaite reports.

Both engines of the Jeju Air plane that crashed last month contained duck remains, according to a preliminary report on Monday, with authorities still trying

A preliminary report has found traces of a bird strike in the engines of the Boeing 737-800 that crashed on 29 December after failing to deploy its landing gear and slamming into a concrete barrier - killing all but two people on board.

A passenger plane caught fire before takeoff at an airport in South Korea late Tuesday, but all 176 people on board were safely evacuated, authorities said.

All 176 people were evacuated from an Air Busan jet that caught on fire at a South Korean airport, with reports suggesting a battery could be the cause.

All passengers were safely evacuated when fire ripped through an Air Busan Airbus with 176 on board in South Korea on Tuesday. Newsweek reached out to Airbus and Air Busan for comment via email on Wednesday.