CEDARVILLE — Police in the eastern U.P. have arrested the people they believe are behind an armed robbery over the weekend at a Cedarville pharmacy.

33-year-old Alexis Brian Harrison of Cedarville was arraigned in district court in connection with the robbery, which occurred at Arfstrom’s Pharmacy at approximately 2:15 Saturday afternoon. Police say that the robber demanded morphine and left with an undetermined amount of narcotics.

Deputies from the Mackinac County Sheriff’s Office were able to identify the suspect and the vehicle. Harrison and another individual, who will be arraigned Tuesday, were both arrested at a residence in Kinross Township.