South Korea will change the concrete barriers used for navigation at nine airports across the country following December's plane crash that killed 179 people. Seven airports will also have their runway safety areas adapted following a review of all South Korea's airports that was carried out after the crash - the deadliest in the country's history.

South Korea's transport ministry said on Wednesday that it would remove the concrete embankment installed at Muan International Airport following last month's Jeju Air crash, its deadliest domestic air disaster.

Investigation into Jeju Air crash reveals deadly runway design flaws, leading to widespread reforms at South Korean airports.

Son Chang-wan was in office while works were undertaken at Muan International Airport. Last month, a plane crashed into a concrete barrier there, killing 179 people.

South Korean authorities said on Wednesday they will change the concrete barriers used for navigation at some airports across the country after the Jeju Air crash that left 179 people dead.

The deadliest plane crash in South Korea's history is triggering a change at the country's airports. The BBC reports the concrete barriers that contain navigation systems at seven airports will be altered in the wake of the crash,

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A former head of the state-run Korea Airports Corporation, who was in office during the renovation of the localizer at Muan International Airport, was found dead at his home, police said Tuesday.