South Korea's government said on Monday it will extend the shutdown of Muan International Airport by a week to Jan. 14, citing the ongoing investigation into the crash of a Jeju Air jet that killed 179 passengers on board.

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.

The temporary closure of Muan Airport has been extended until January 14 as the investigation into the Jeju Air crash continues.

A video captured the moment a Jeju Air Boeing 737-800 crashed while landing at Muan international airport in South Korea on Sunday.

Authorities entered impeached President Yoon Suk Yeol's compound, evading a crowd of protesters outside, but were confronted with presidential security forces inside.

Several questions have been raised over the Jeju Air plane crash that claimed 179 lives at Muan International Airport on Sunday.

Investigators plan to examine the tail and landing gear of the aircraft at the crash site of the passenger jet in Muan, Republic of Korea. They will also retrieve and analyze the flight data recorder of the plane,

Investigations into the recent Jeju Air Flight 2216 crash at Muan International Airport, which resulted in 179 fatalities, are centering on a concrete embankment located near the runway's end. This structure,