Traffic is still slow on Highway 163 near Miramar, after a fiery multi-vehicle crash.

The crash happened just before 5:00 p.m. Thursday on the southbound 163 just north of State Route 52.

The California Highway Patrol says an SUV overturned and slammed into a motorcycle, knocking the driver over into the northbound lanes. The bike then burst into flames. A pick-up truck was also involved in the crash.

There is no word yet on the extent of the injuries of those involved.