Ramapo Police have arrested a man accused of an armed robbery in Airmont earlier this month. Police say the unidentified 63 year-old entered a store and threatened the employee with a firearm through his sweatshirt. The man fled with some money but was tracked down by Ramapo detectives and the Investigations Division. He was arraigned yesterday and sent to the Rockland County Jail pending future court appearances. Additional details about the suspect or the store were not released.