The OPP officers have a man in custody after a high-risk incident on Yonge Street in Tara

It started at about 5 a.m. Tuesday and members of the OPP Emergency Response Team, Tactics and Rescue Unit, and Canine Unit assisted South Bruce OPP at the scene.

Police said it was an isolated incident that did not pose a risk to public safety

Arran Tara Elementary was under a hold and secure situation with the outside doors locked during the incident.

Roads have since re-opened to traffic.

The South Bruce OPP is requesting anyone with information that can assist police to call 1-888-310-1122. Should you wish to remain anonymous, call Crime Stoppers at 1-800-222-8477 (TIPS) or submit a secure web-tip at www.cstip.ca, where you may be eligible to receive a cash reward of up to $2,000.

-With files from Kirk Scott and Steve Sabourin

An ongoing #OPP investigation involving specialized resources is underway in Tara. Road closures are in effect along Yonge Street, Union Street and Bruce County Road 10. Residents are asked to avoid the area until the incident is resolved. ^km pic.twitter.com/BFH729f3AU

— OPP West (@OPP_WR) December 17, 2019