Boston TV WBZ reports 5 people are under arrest for the shooting. More below.
CNN reports "The alleged gunman in the shooting of former Boston Red Sox star David Ortiz has been arrested, according to Jean Alain Rodríguez, attorney general of the Dominican Republic.
Police said the gunman and three other people who were involved in the shooting were arrested Wednesday. It's unclear what charges the suspects are expected to face, but investigators are treating the case as an attempted murder.
Dominican National Police Director Ney Aldrin Bautista said investigators recovered the gunman's firearm, which was buried in a home in the province of Mao."