York Regional Police, Office of The Fire Marshal, BWG Animal Services and Hydro One are on scene at a cannabis grow operation in the Holland Marsh, at Canal Road, west of River Road/5 Side Road.
A contractor was brought in to shred the cannabis for disposal.
Neighbours said that at least one person was seen in handcuffs and taken into custody.
BradfordToday will provide updates to this story as more information becomes available.