An arrest was made in the armed robbery of a Jamestown pharmacy yesterday. Police charged 70-year-old Michael McGlothlin of Jamestown with aggravated robbery and aggravated assault. Officers say  McGlothin went into the Medi-Thrift Pharmacy on West Central Avenue, reportedly brandished a firearm and demanded narcotics. Someone inside the store called 911 and officers responded quickly and disarmed the suspect.