Four bystanders were shot dead in the last 18 months because of gang rivalries in upper Manhattan, authorities said as they announced the indictments of dozens of people in a yearslong welter of gunfire,

Manhattan District Attorney Alvin Bragg and the NYPD revealed the indictment of the members, who are part of the "200/8 block", "6 block" and O.E.D. (Own Every Dollar) gangs.

Thirty suspected gang members across three separate crews have been indicted by the Manhattan district attorney's office. Investigators say the group is responsible for half of the shootings in two Upper Manhattan neighborhoods this year.

Two dozen individuals were busted in a massive Manhattan takedown that may have stopped a bloody six-year gang war, Manhattan District Attorney Alvin Bragg and the NYPD announced Thursday. Police believe the suspects involved in the takedown are responsible for half of the shootings that have taken place during the six-year period in Inwood