HANFORD, Calif. (AP) - Police are looking through surveillance video to determine who detonated a small pipe bomb on the campus of Hanford High School, sending students into a three-hour lockdown in their classrooms.
Police say no one was injured when the bomb exploded around 12:15 p.m. Thursday in a gated storage area behind the school's automotive shop.
The bomb was placed in an area where students in the auto class work on vehicles. Students were on their lunch break when the bomb
School officials say police told them around 3 p.m. it was safe to release the students, and after-school activities continued as planned.
No arrests have been made, and police do not know a motive.
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