Metter police arrested a man Thursday morning after he reportedly beat and stabbed his girlfriend, who officers found walking down the street after the incident. Dennis Dean Morgan, 62, of Metter, was arrested on charges he stabbed his girlfriend, Teresa Niang, 39, also of Metter, with a knife. Around 11 p.m., "officers were dispatched to an assault call involving weapons at an address on Boston Street," Metter Police Chief Dennis Nelson said.