Updated: March 5, 2013 6:26AM
A crash involving three vehicles Sunday that killed one man and injured four others on the Tri-State Tollway near Lake-Cook Road in Deerfeild remains under investigation.
The accident happened about 6:45 a.m. and involved three vehicles — a tow truck, a van and a four-door car — according to an Illinois State Police Tollway District master sergeant.
Cesar Salas, 39, of Prairie View was on his way to work when he was killed in the collision, according to Chief Deputy Coronor Orlando Portillo.
The cause of death was undetermined as of Sunday afternoon. An autoposy is scheduled for Monday, Portillo said.
The accident occurred on I-94 eastbound at mile-marker 24.75, near Lake-Cook Road, the master sergeant said.
She could not disclose any details on the crash since the investigation was active as of about 10:45 a.m.
Four people with non life-threatening injuries were taken from the crash to an area hospital, the master sergeant said.
Further information was not immediately available Sunday.