It comes amid growing migration from Cuba to the United States. Colombia suspends brief ceasefire with ELN after rebels reject effort BOGOTA- Colombia has called off a ceasefire with the National Liberation Army (ELN) rebels, in an about-face after the left-wing guerrilla group said it had not agreed to halt fighting. The reversal - less than four days after a 6-month ceasefire was announced - is a setback for plans by President Gustavo Petro to bring peace to the Andean country after nearly sixty years of conflict which has killed more than 450,000 people.