Investigators probing the Jeju Air crash that killed 179 people last month have found feathers in both engines, according to South Korean media reports, with a bird strike being examined as one possible cause.

The nation’s transport ministry reviewed structures near airport runways after the deadly crash of a Jeju Air flight late last month.

South Korean authorities have extended the closure of a southwestern airport where a Jeju Air plane crashed and killed 179 people onboard, the land ministry said Monday. Authorities are still probing the cause of the accident on December 29,

South Korea said it planned to improve the structures housing the antennas that guide landings at its airports this year after December's fatal crash of a Jeju Air plane, which skidded off the runway and burst into flames after hitting such a structure.

The black boxes of the crashed Jeju Air plane stopped recording flight data four minutes before the aircraft crashed in the worst accident in South Korean aviation history, the Ministry of Transport reported on Saturday.

The Boeing 737-800 was flying from Thailand to Muan, South Korea, on 29 December carrying 181 passengers and crew when it belly-landed at Muan airport and exploded in a fireball after slamming into a concrete barrier.

Investigators found bird feathers and blood in the two engines of the Boeing jet that crashed in South Korea on Dec. 29, a person familiar with the probe told Reuters on Friday. Jeju Air 7C2216, which departed from the Thai capital Bangkok for Muan county in southwestern South Korea,

Investigators found bird feathers and blood in both engines of the Jeju Air jet that crashed in South Korea last month, killing 179 people, a person familiar with the probe said on Friday. The Boeing 737-800 plane,