The discovery of a suspicious package at Los Angeles Police Department headquarters in downtown Los Angeles prompted the evacuation of the building for about two hours Thursday night.
An envelope containing a powdery substance was located about 7:30 p.m. in the mail room of the building, located at 100 W. First St., and the building was quickly cleared out, according to the LAPD.
A police HazMat unit was called to the scene and determined the substance was not harmful, police said.
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The building was re-opened about 9:40 p.m.