Two teenagers were arrested Friday night after police say they blew up a mailbox near College Park High School.
Pleasant Hill police say they were notified about an explosion shortly before 10 p.m. Friday.
Officers discovered a mail box that had been destroyed by an explosive device in the Christine Court neighborhood.
A witness gave police a description of a red, Chevrolet S 10 Blazer seen driving off after the explosion.
Police located the truck in the parking lot of College Park High. Officers said they found another explosive device inside the vehicle.
Five teens were questioned. Two teens were arrested in connection with the incident. A third teen was arrested on unrelated charges.
The two teens not arrested were released to the custody of their parents.