CELINA, OH- Mercer County Sheriff Jeff Grey announced this morning the arrest of Zachary Frazier, 31,  Coldwater, and Alan Bricher, 29, Coldwater, for drug possession, fifth degree felonies.  Mercer County Sheriff’s Detectives, acting on information that they had received surveilled Frazier as he went to the Dayton, OH area to purchase fentanyl on Thursday evening.