Colombia's FARC guerrillas declared an indefinite, unilateral ceasefire Wednesday, saying they would only use weapons if they came under attack by the army.
"We have resolved to declare a unilateral ceasefire and end hostilities for an indefinite period of time, which should be transformed into an armistice," said the leftist rebels' peace negotiators in Cuba, where they are in talks with the Colombian government to end the 50-year war.