Somerville Police Searching for Potentially Armed Suspect in Union Square

Police are searching for a suspect in an armed robbery in the Union Square area. The suspect was involved in a robbery in the Target parking lot on Somerville Ave., and fled toward Merriam St. The suspect is described as a black male, wearing a black jacket over a gray hooded sweatshirt, black jeans, and a "beanie" hat. He may be carrying a firearm. Residents are advised not to answer your door for someone you don't know, and if you see this suspect call 911 IMMEDIATELY. Cambridge Police are also involved in this investigation.