South Korea’s impeached president has denied that he ordered the military to drag lawmakers out of the National Assembly to prevent them from voting to reject his martial law decree last month, as he appeared for the first time before the Constitutional Court that will determine his fate.

South Korean anti-corruption agency asked prosecutors to indict impeached President Yoon Suk Yeol on insurrection charges after wrapping up a preliminary investigation into his ill-fated martial law declaration.

South Korean investigators recommended Thursday that impeached President Yoon Suk Yeol be charged with insurrection and abuse of power, as they handed over the results of their probe into his ill-fated declaration of martial law to prosecutors.

South Korea will remove a concrete structure at the runway of one of its southern airports, the scene of a plane crash that killed all but two of the 181 people on board last month

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. The Jeju Air flight was bringing passengers home from Thailand after Christmas when it made an emergency landing at Muan airport and exploded after slamming into a concrete barrier at the end of the runway.