At least one person was killed Monday morning in a multiple-vehicle crash on the Santa Ana (5) Freeway in Tustin.
The crash was first reported to the California Highway Patrol at 3:54 a.m. in northbound lanes of the Santa Ana Freeway just south of Jamboree Road.
Witnesses told the CHP five vehicles were involved and one of them caught fire, affecting the HOV lane and lanes 1, 2 and 3.
A SigAlert was issued at 4:10 a.m. for all northbound lanes, with traffic diverted off at Culver Drive in Irvine.