Police have launched homicide investigations into the deaths of two men on Roseau River First Nation, but they say the deaths are not related.

The first man was found on Friday. Police have charged Richard Alex Johnson, 30, with second-degree murder in the death of Charles Gordon Joseph French, 20. Police say they are both from Roseau River and knew each other.

The second man was on Saturday. RCMP are assisting the Dakota Ojibway Police Service in the investigation.

No other details have been released.