Three people have been arrested following an armed robbery in Dorchester, Massachusetts, where multiple victims were attacked with a firearm, a rock, and bear spray. The Boston Police Department responded to a report of an assault at 7 Topliff St. The following day, detectives executed a search warrant and found several weapons, including a Glock 45 handgun, a Ruger LC9 handgun, and a Sabre Frontiersman bear and mountain lion deterrent spray. Three suspects were taken into custody and are facing charges of assault and battery with a dangerous weapon and armed robbery.