Anonymous Tip Leads to FirearmLast night officers from the Youth Violence Strike Force received information from a concerned citizen about the location of a firearm. Officers went to the area of Edson Street and Milton Ave. in Dorchester and located a Colt MK IV handgun. The firearm was secured and turned over to Ballistics for further testing. Two Arrested After Hyde Park Stabbing Plain Clothes officers from District 18 while on patrol last night in the area of Metropolitan Ave. and Hyde Park Ave observed three Hispanic males in an altercation outside Kelly Liquors. Two of the men were suffering from apparent stab wounds allegedly inflicted by each other. Both individuals were arrested and after treatment at a medical facility will be taken into custody. A knife was recovered. Sex Offender Arrested Downtown Plain Clothes officers arrested 31-year-old Paul Boone of Boston last night for failing to register as a sex offender. He was picked up after alert officers observed him in the area of Marginal Road and Tremont Street. Shots Fired Outside 35 Neponset Ave Officers responded to a shots fired call yesterday around 12:08pm. No injuries were reported. Ballistic evidence was recovered and the investigation is ongoing. Gun Recovered During Jamaica Plain Car Stop Boston Police Officers from District 13, recovered a loaded 9mm handgun while conducting a car stop. Five adult males were arrested in connection with this incident. Armed Robberies at Two Commercial Locations Last night around 9:15pm an armed suspect entered the Matos Market at 140 Norfolk Street in Dorchester and demanded money from the clerk. The suspect displayed a silver handgun, and fled the store with an undetermined amount of cash. The investigation is ongoing. At 1:44am, a masked suspect armed with silver and black handgun, entered the Store 24 on Market Street in Brighton and demanded money from the clerk. The suspect grabbed a safe from the store and fled after ordering the clerk into a storage closet. This investigation continues.