Around 8:30 p.m., somebody unleashed a barrage of gunfire on Munroe Street, near Walnut.
Police found one victim with a graze wound to his leg, a car hit by a bullet and numerous shell casings littering the street. A possible suspect was apprehended after a short foot chase down Elmore and Mayfair streets.
UPDATE: Boston Police report three undercover officers headed toward the shooting site got into a car crash at Ashmont Street and Dorchester Avenue, sending them and the two people in the other car to the hospital. The department says the undercover car was hit by the other vehicle.