Three students are being investigated after a "homemade explosive device" was ignited around 1 p.m. outside of Whitehorse Middle School on Madison's East Side.
Police responded after "a 12-year old was caught throwing an improvised explosive device (IED) against the school building," according to a Madison Police Department news release. "A 13-year old student had made the ball-looking device out of some caps, coins, aluminum foil, and black electrical tape," the release said.
The 13-year old had given other "balls" to a second 12-year-old student who put the device in his locker, the release said.
The Dane County Sheriff's Department Bomb Squad rendered that device safe. The school was not evacuated, but the hallway around the locker was kept clear, police said.
"There was no damage, there were no injuries," said Ken Syke, spokesman for the Madison School District. "There's no indication of an intent to do harm. There's no indication that this small explosive device would go off on its own."
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