Note: Schools are NOT screwing around with this stuff.

A high school in Colorado went on lock-down Wednesday morning all because a student was seen wearing a gas mask and trench coat.

Pre-Columbine no one would have said a thing about this, but the cold hard truth is this is the world we live in now.

Concerned students, who saw the student in the hallway, informed a teacher of what they had seen and police were eventually called. KRDO says the student didn't walk into the building wearing the costume, but was seen between first and second period.

A SWAT team was nearby training and responded to the incident, where they found nothing. The student has been suspended until a formal hearing with administrators.

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