Grey Bruce OPP have ended a shelter in place order following the conclusion of what police termed an "active incident" on Neyaashiingmiing, or Cape Croker.
The OPP were at the scene alongside Neyaashiingmiing Police in the area of Farm Road.
Officers have now lifted the shelter in place order for residents in the area.
Police confirmed they have one person in custody, but have offered no other details regarding the incident.