South Korean authorities have defended airport infrastructure at the site of the country’s worst civil air accident as questions grow over the role played in the disaster by a concrete wall at the end of the runway.

A Jeju Air flight drove off the runway in South Korea and collided with a fence, leaving dozens of passengers dead, the Yonhap News Agency reported.

Grieving relatives of the victims of the South Korean plane disaster have visited the crash site to pay respects to their loved ones on New Year’s Day