Police have arrested two for their involvement in the incident.She has been taken to One Stop Crisis Center (OCC) at the Chittagong Medical College Hospital.Officer in Charge of Pahartoli Station Abdur Rouf said the woman fell prey after she visited the area with a male relative.He said according to the victim’s account, a group of nine men attacked the man who was with her. Seven of them sexually violated her after that.Police arrested two men from the surrounding areas after the victim filed a case at Pahartoli Police Station, said the OC.The arrestees are – Mohammad Ashraful, 20, and Omar Faruque, 18, from Uttar Kattali.The victim has identified the two men arrested by police. The arrestees had also confessed to the crime, said the OC.