LAFAYETTE, Calif. (KGO) -- A California Highway Patrol vehicle caught fire and ammunition inside started to explode, according to Lafayette police.
The vehicle is in the vicinity of Highway 24 and St. Stephens Drive, according to a statement published around 10:30 a.m.
Lanes of the freeway were temporarily blocked for the investigation.
There are no reports of injuries.
Bay City News has contributed to this report.