Original sentence: Four members of the Communist Workers' Party and one other individual were killed, and eleven other demonstrators and a Klansman were wounded.The CWP, which advocated that Klan members should be "physically beaten and chased out of town", engaged in a shootout with members of the Ku Klux Klan and the American Nazi Party.The Greensboro massacre is the term for an event which took place on November 3, 1979, when members of the Communist Workers' Party and others demonstrated in a "Death to the Klan" march in Greensboro, North Carolina, United States
Edited sentence: Eleven other demonstrators and a Klansman were wounded.Heavily armed members of the Ku Klux Klan and the American Nazi Party withdrew weapons from their cars and started shooting at the marchers.Some marchers returned fire, but four members of the Communist Workers' Party and one other individual were killed.The Greensboro massacre is the term for an event which took place on November 3, 1979, when members of the Communist Workers' Party and others were attacked while demonstrating  in a "Death to the Klan" march in Greensboro, North Carolina, United States