Rourkela: Three persons including a minor were detained today on charge of raping a minor girl in a forest under Lahunipara police station in Sundargarh district, police said. Based on a complaint by the family members of the victim in this regard, police swung into action and registered a case. The incident took place last night as the trio had abducted the minor girl to a nearby forest and sexually assaulted her. After she narrated the incident to the family members, they approached the police and lodged an FIR in this regard. Further investigation into the incident was continuing, the sources said.