Police: Student threat leads to gun, bomb cache in Minnesota

One juvenile and two adults are in police custody.

VADNAIS HEIGHTS, Minn. - Authorities say they've discovered a cache of firearms, ammunition and explosives at a Vadnais Heights residence after "threats" were made by a student.

A Ramsey County news release states a student recently threatened a fellow student, which was then reported to the Ramsey County Sheriff's Office by a parent. Investigators obtained and executed a search warrant on Friday which, they say, turned up a "cache of firearms, ammunition, and explosives at a Vadnais Heights residence."

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One juvenile and two adults are in police custody. Ramsey County Sheriff Jack Serier said they are a 13-year-old boy and his parents. The boy's parents are facing charges of negligent storage of firearms. Serier added the threat was made against a child at the Academy for Sciences & Agriculture, a public charter school that serves grades five through 12.

When deputies arrived at the home Friday, the 13-year-old boy was found home alone. Inside the home, deputies found the cache of firearms, thousands of rounds of ammo, at least one ballistic vest and explosive device. Authorities say some of the weapons were unsecured and the boy had direct access to them.

Serier says the arrests averted "a potential tragedy."

Authorities released photos of the weapons and other items found in the home.

(Credit: Peter Cox, MPR News)

“At this time, we believe there are no threats to the school or the students,” said Ramsey County Sheriff Serier.

Ramsey County deputies were assisted by the Saint Paul Bomb Squad and Alcohol, Tobacco and Firearms (ATF.)