Authorities say a crude bomb containing fish hooks and BBs packed inside a plastic bottle exploded this weekend at a Northern California junior high school. No one was injured.
Police found the homemade device Sunday night on the basketball court of Bidwell Junior High School.
Chico Police Sgt. Dave Barrow says officers also found two unexploded bottles near the court.
Authorities don't believe anyone was in the area at the time of the explosion.
Barrow says homemade devices are showing up more frequently on house porches and mailboxes in the Chico area. This was the first time the bottles have contained dangerous shrapnel.