Gunfire, car crash at River and Edgewater in Mattapan

Boston Police responded to River Street and Edgewater Drive in Mattapan on a report of at least four rounds fired around 9:20 p.m. on Tuesday.

Arriving officers found two cars crashed there, although it was not clear if it was related to the gunfire or a coincidence. One person was taken to a local hospital with crash-related injuries.

Police did not find any gunshot victims.

Police found a gun on River Street and took one person into custody. Officers found a live round on the front porch of a house on River Street near Marcy Road and additional live rounds and shell casings on Marcy Road.