The Regina Police Service Drug Unit has arrested five people in relation to a fentanyl drug investigation. A search warrant was executed on Saturday on the 900 block of 15th Avenue. Officers allegedly seized 450 grams of fentanyl, $11 thousand cash, and a loaded, stolen, .45 calibre handgun. 29 year old Hanad Farah, 33 year old Mohamed Hassan, 33 year old Omar Issak, and 31 year old Daineol Johnson, and 23 year old Hassan Salad, all of Edmonton, are facing drug, weapon, and proceeds of crime charges.