text:  A Hagerstown man was arrested and charged with making a bomb threat. In a news release, authorities with the Maryland State Fire Marshal's Office stated that 60-year-old John Calvin Walls made a call to the Williamsport Retirement Village earlier this week and threatened to blow up the home, which provides assisted living, rehabilitation, and long-term care and respite services. The investigation revealed that Walls left a threatening voicemail and an employee recognized the man's voice.