School officials in Clarkston, Wash., say police have arrested a juvenile student who had an unloaded handgun and an illegal switchblade knife at an alternative school in that southeastern Washington city.

The Lewiston, Idaho, Tribune reports ( http://is.gd/qQQu8Y) that no threats were made to anyone at the Educational Opportunity Center and the student did not have any ammunition when police picked him up Tuesday afternoon.

In a statement, Clarkston School District officials said the district and Clarkston police had worked together to intervene with the same student "on a non-school-related matter" that happened Monday evening. That information led officers to locate the student at school on Tuesday.

The gun was described as a .22-caliber automatic.

The student was booked into juvenile detention on multiple accusations.

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Information from: Lewiston Tribune, http://www.lmtribune.com