Investigators probing the Jeju Air Boeing 737-800 crash that killed 179 people in December have uncovered evidence suggesting pilots shut down the less-damaged engine after a bird strike, according to a source familiar with the investigation.

A malfunction of the landing gear likely caused a passenger plane to crash at South Korea's Muan International Airport on Sunday while attempting a crash landing after a failed first landing attempt, authorities said.

A passenger jet carrying 181 people erupted in flames after going off the runway and hitting a wall at an airport in South Korea's southwestern county of Muan on Sunday, likely leaving all but two dead, authorities said, News.az reports citing Yonhap news agency.