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.

By Hyonhee Shin and Joyce Lee SEOUL/MUAN COUNTY, SOUTH KOREA (Reuters) -South Korea ramped up investigations on Tuesday into the cause of its deadliest domestic air accident as police worked to identify victims while families of those killed in the crash of a Jeju Air jet pushed for more details.

The Federal Aviation Administration is investigating after a private jet was ordered to stop before it could have collided with a commercial aircraft rearing for takeoff. On Friday around 4:30 p.m., Delta Airlines Flight 471 was taking off from Los Angeles International Airport and headed to Atlanta while air traffic controllers were directing Key Lime Air Flight 563,

The Key Lime Air Flight 563 was directed to ‘hold short’ of crossing a runway where a second plane was taking off

A plane taking off from Los Angeles International Airport narrowly escaped collison with a private jet. A video of the incident has surfaced online. "Air traffic controllers directed Key Lime Air Flight 563 to hold short of crossing a runway at Los Angeles International Airport because a second aircraft was taking off from the runway at the time,