Seven area residents have been arrested on allegations of possession of a controlled substance in Saline county. The highway patrol reports 25 year old Zachary Bruce of Bosworth, 30 year old Kristina Constant of Carrollton, 29 year old Jessica Hernandez of Clinton, 35 year old Michael Humphrey of Mendon, 29 year old Kathy Martinson of Carrollton, 34 year old Misty Stanley of Carrollton, and 43 year old Walter Chadwick of Marshall, were all taken to the Saline county jail for processing. The arrests took place just before 10 Tuesday morning.