A body was found on an on-ramp of the northbound 605 Freeway in the Whittier area Monday morning, officials said.
The incident was reported around 8:50 a.m. near the Rose Hills on-ramp of the highway, according to the California Highway Patrol.
Responding officers located the body, though it is unclear how and when it got there and how the person died. The person has not been identified.
A SigAlert was issued for the on-ramp amid the ongoing investigation.
No further details about the incident have been released.