California Highway Patrol is on the scene of a jack-knifed trailer on the southbound I-15, just north of Winchester Road, it was reported.
The accident occurred at approximately 7:48 a.m., according to a California Highway Patrol report.
At least one vehicle appears to have been involved in the incident and crews are working to address a possible fuel leak.
Traffic has slowed and is backed up.
No injuries were reported at the time of this post.
*This is a developing story in Riverside County. Stay with SWRNN for details and information as it becomes available.