Littlefield High School dismissed early on Monday after a bomb threat was found scribbled in a bathroom stall.
The high school was evacuated and the Lubbock County Bomb Squad was called in.
Littlefield ISD Superintendent Jerry Blakely said, "We will do everything possible to find out who wrote this threat."
They were given the all clear at 2 p.m. and classes will resume normally on Tuesday, Sept. 10.
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