In 1965, the city had briefly been invaded by more than 100 members of the anti-government Ejército de Liberación Nacional (ELN), the "National Liberation Army")  and "captured the public imagination" in its first act as a new guerrilla organization.
In 1965, the city was taken over by more than 100 members of the anti-government Ejército de Liberación Nacional (ELN), commonly known as the "National Liberation Army"), and this act first captured the public's attention in its role as a new guerrilla organization.