South Korea mourns as investigators probe cause of deadly plane crash

Relatives of passengers on a plane that burst into flames mourn at Muan International Airport in Muan, South Korea, Dec. 30, 2024. South Korean soldiers search for missing passengers near the wreckage of a Jeju Air Boeing 737-800 series aircraft after the plane crashed and burst into flames at Muan International Airport in South Jeolla Province, South Korea, Dec. 29, 2024. Nuns bow at a memorial to the plane crash victims in Muan, South Korea, Dec. 30, 2024. At South Korea's Muan International Airport, temporary shelters have been set up for relatives of those who were on the plane that crashed, Dec. 30, 2024.

South Korea was in mourning Monday as investigators worked to determine the cause of a plane crash in Muan that killed 179 of the 181 people on board.