On Monday, members of the Fort Frances OPP conducted a drug-trafficking investigation in Rainy River District.
A vehicle stop subsequently was conducted in Watten Township around 11:45 p.m., which resulted in three males aged 45, 40, and 39, all of Rainy River District, being arrested and charged with possession for the purpose of trafficking.
A quantity of hydromorphone was seized.
The 45-year-old male was being held in custody after also being charged with breaching his conditional sentence order.
The other two were released on a promise to appear in court here May 14.