Three Walpole Island residents are facing charges after police seized several guns on the First Nation reserve.
The Ontario Provincial Police said officers executed a search warrant at a property on Austin Road on Friday.
Multiple firearms were seized and three people were arrested.
Two women, aged 41 and 34, are both facing five counts each of unauthorized possession of a firearm and careless storage of a firearm.
The 41-year-old is also charged with two counts of possession of a Schedule 1 substance, two counts of possession of a Schedule 1 substance for the purpose of trafficking, and possession of property obtained by crime under $5,000.
The third suspect, a 25-year-old woman, has been charged with two counts of failing to comply with a release order.