People demonstrate against the Farc rebels in Bogota holding a banner that reads, “No more Farc”. Photograph: John Vizcaino/Reuters

Colombia’s largest guerrilla group declared on Wednesday it would begin an indefinite, unilateral ceasefire, in a challenge to the government to halt (...)

 Host country Cuba’s representative Rodolfo Benitez Verson (right) and Dag Nylander (centre) of Norway, whose countries are guarantors of the negotiating process, speak alongside the chief of the  Farc delegation, Luciano Marin Arango (L), aka Ivan Marquez, in Havana, Cuba. Photograph: Alejandro Ernesto/EPA.

Negotiators for the Colombian government and the country’s largest guerrilla group say they have reached an agreement on ways to fight drug traffickin(...)

Farc negotiator Pablo Catatumbo (left) shakes hands with Colombia’s government negotiator Frank Pearl during a conference in Havana yesterday. Colombia and the Marxist-led Farc rebels have reached agreement on the critical issue of agrarian reform, the two sides said  in what appeared to be a major step forward for the peace process aimed at ending their long war. Photograph: Enrique De La Osa/Reuters

Colombia and the Marxist-led Farc rebels have reached agreement on the critical issue of agrarian reform in a major step forward for the peace proces(...)