Donald Trump’s convention-busting acknowledgement of North Korea as a nuclear power bucks years of US policy – and sets South Korea on edge.

South Korea rebuked President Trump’s remarks calling North Korea a “nuclear power,” raising concern about the relationship between the two countries. “North Korea’s denuclearization remains a consistent principle upheld by the international community,

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 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.