A still from the YouTube video, which Iván Márquez (centre) said  was filmed in Colombia’s Amazon.

A group of former rebels from the Revolutionary Armed Forces of Colombia (Farc) said in a video posted overnight that it will launch a new offensive, (...)

Members of the Common Alternative Revolutionary Force (Farc) political party (from left)  Victoria Sandino, Pablo Catatumbo, Marco Calarca and Olmedo Ruiz, at the Capitol in Bogotá for the new Congress on Friday. Photograph:  Raul Arboleda/AFP/Getty Images

Half a century after their Marxist comrades took up arms in the Colombian mountains and vowed to overthrow the state, members of the country’s once-fe(...)

Farc supporters demonstrate against the arrest of Farc former peace negotiator Jesús Santrich, outside the General Prosecutor’s Office in Medellin, Colombia,  earlier this month. File photograph: Joaquin Sarmiento/AFP/Getty Images

The decision by the nephew of a former senior Colombian guerrilla leader to co-operate with the US Drug Enforcement Agency (DEA) has sparked the lates(...)