… called to the Black Lake First Nation in northern Saskatchewan at … suspicious death at Black Lake First Nation. (CBC)RCMP are investigating … man on a northern Saskatchewan First Nation. Officers were called to … the Black Lake First Nation at around 9:10 …… called to the Black Lake First Nation in northern Saskatchewan at … suspicious death at Black Lake First Nation. (CBC)RCMP are investigating … man on a northern Saskatchewan First Nation. Officers were called to … the Black Lake First Nation at around 9:10 …