LOS ANGELES (CBSLA) β€” A man was killed early Tuesday morning in a crash on the southbound 605 Freeway in Industry, prompting the closure of two lanes for an unknown duration.

The accident happened about 12:20 a.m. just north of the 60 Freeway. According to California Highway Patrol, the car veered off the freeway for an unknown reason and landed in the riverbed below. Authorities are working to identify the man.

READ MORE: Angela Beard, 55, Identified As Victim Of South LA Drive-By Shooting

The Los Angeles County Fire Department said no other injuries were reported and there was no indication a second car was involved.

READ MORE: Woman Arrested At O.C. Hotel On Suspicion Of Arson

The cause of the accident was under investigation.

The freeway was fully reopened at about 4:50 a.m.

MORE NEWS: Long Beach Man Arrested In Connection With Fatal Shooting

(Β© Copyright 2019 CBS Broadcasting Inc. All Rights Reserved. City News Service contributed to this report.)