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 will remove a concrete structure at an airport runway that may have been involved in a devastating plane crash that killed all but two of the 181 people on board last month. The Boeing 737-800 skidded off the airport's runaway on Dec.