At the request of Prosser Police, Prosser School District placed the following schools on lockdown: Heights Elementary, Housel Middle School, Keene-Riverview Elementary, Prosser High School, Whitstran Elementary and Prosser Falls High School.

The reason was a man in the area with a knife. An emergency alert was sent to parents early in the 8 o'clock hour Thursday. The lockdown was over by 10 a.m.

KNDU is on the scene now and posted the following video:

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