Three men, including a Pennsylvania state government lawyer, are facing assault charges after police say they beat up an off-duty

in a dispute over dog waste.

Two brothers and a third man have been charged in an attack on city police officer John Doll as Doll was walking his Akita early on the morning of June 18 near Green and Boas streets, court documents state. Police said Matthew D. Stauffer, 33, of the 1700 block of Susquehanna Street in Harrisburg, a staff counsel with the

, and his brother, Daniel D. Stauffer, 31, confronted Doll about his dog's waste, even though Doll had already bagged it, and attacked Doll. Police said Doll told the Stauffers he was an off-duty police officer.

According to court documents, Doll got both men to the ground and was trying to control them when a third man, Noah N. Coburn, 25, of the 1000 block of North Second Street, jumped on Doll's back and choked him. Police said Doll suffered a cut to the ball of his right foot and had skin torn off of the foot. Doll also suffered bloody knees, hands and elbows, police said, and was treated for his injuries at Harrisburg Hospital.

The three men are charged with aggravated assault, conspiracy and public drunkenness. Coburn and Daniel Stauffer are free after posting $15,000 bail. Matthew Stauffer, who has been suspended without pay while he awaits a preliminary hearing, is free on $10,000 unsecured bail.