Swanson Elementary School in Arvada was evacuated for a short time Wednesday after police say a student made a threat against the school.
Police say the call came in around 9:30 a.m. and that the student's backpack smelled like vinegar. The school was evacuated as a precaution.
The evacuation was lifted around 10:20 a.m.
Police say they student who allegedly made the threat is under 10 years old. They have not said what the backpack contained.