The acting president ordered an emergency safety inspection of the airline operation system as investigators worked to identify victims and find out what caused the country's deadliest air disaster.

Investigators from the NTSB and Boeing were expected to join the investigation into South Korea's deadliest air crash.

South Korea is reeling from its worst domestic air disaster, which claimed the lives of 179 people, including 175 passengers and four crew members. Acting President Choi Sang-mok has called for an immediate safety inspection of the nation’s aviation operations as investigations into the tragic incident continue.