South Korean police on Thursday, January 2, raided Jeju Air's regional aviation office, the office is in Seoul, and the crash site as a part of the ongoing investigation, reported the news agency AFP.

Footage of the crash showed the plane skidding across the airstrip at high speed, evidently with its landing gear still closed, and slamming into a wall.

South Korean investigators on Friday began lifting the wreckage of the Jeju Air plane that crashed five days ago, killing 179 people in the worst aviation disaster on its soil,

Investigators from the NTSB and Boeing were expected to join the investigation into South Korea's deadliest air crash.

Just two survivors were rescued from the wreckage of the passenger plane, which had been returning from Thailand.

The Muan crash is one of the deadliest disasters in South Korea’s aviation history. The last time South Korea suffered a large-scale air disaster was in 1997, when a Korean Airline plane crashed in Guam, killing 228 people on board. In 2013, an Asiana Airlines plane crash-landed in San Francisco, killing three and injuring approximately 200.

Acting South Korean President Choi Sang-mok has told emergency responders to use "all available" resources to respond to the crash.

Families wept and wailed as officials read off the names of the victims who died on Sunday, Dec. 29, at Muan International Airport, where the crash occurred.

U.S. investigators are helping South Korea investigate the plane crash on Sunday that killed 179 people on board a plane from Thailand. The team of U.S. investigators will include the National Transportation Safety Board (NTSB),

Acting South Korean President Choi Sang-mok has told emergency responders to use "all available" resources to respond to the crash.

Footage of the crash aired by YTN television showed the Jeju Air plane skidding across the airstrip, apparently with its landing gear still closed, and colliding head-on with a concrete wall.