The Zona Rosa attack was a guerrilla attack that took place in the Zona Rosa nightclub area of San Salvador, El Salvador at approximately 21:30 on June 19, 1985, during the Salvadoran Civil War. The attack was conducted by gunmen dressed as Salvadoran soldiers, and in total twelve people were killed: four United States Marines, two United States businessmen, a Guatemalan, a Chilean, and four Salvadorans. A left-wing guerrilla group, the Central American Revolutionary Workers' Party (PRTC), and its armed wing, the Mardoqueo Cruz Urban Commando (CMC) claimed responsibility for the attack.