Arrest made in Friday's Arvada K-8 threat

Arvada Police have made an arrest in their investigation into a threat outside Arvada K-8.

Law enforcement and Jeffco Public Schools Security responded to the school  at 5751 Balsam Street.just after 3 p.m. Friday.

"The school resource officer identified a threat outside the school and directed a lockdown to keep students and staff safe," said Diana M. Wilson, who is the Chief Communications Officer with Jeffco Public Schools.

"Students will be cleared classroom by classroom after law enforcement determines it is safe to leave the building,"  Wilson and on Friday."The safety of our students and staff is our top priority, and we will always take necessary precautions to ensure their safety."

It was not clear what the threat outside the school involved, but the lockdown was lifted about 2 1/2 hours later without incident.

Saturday, police said they arrested a juvenile in connection with the threat. They did not release any additional details and said the investigation was continuing.