Colombia vows crackdown after deadly drone swarm attack (VIDEOS)

Three soldiers were killed when explosive-laden UAVs struck a military compound in an attack blamed on the ELN Colombian President Abelardo de la Espriella has vowed to step up operations against armed groups after a drone swarm attack on a military compound killed three soldiers and injured four others.The assault comes as Colombia is grappling with what has been described as its worst wave of violence in a decade. In August, an explosion outside a police station in Cucuta injured 11 officers and killed a police dog. Earlier this week, a car bomb outside another police station in the northeast killed one civilian and injured 11 others.The latest attack occurred on Friday night at the El Trapiche military post in Ocana, in the northeastern department of Norte de Santander, according to Colombian authorities.At least 20 UAVs were used in the assault, AFP reported. Explosives dropped from the drones struck barracks and other parts of the base before a firefight broke out. Two soldiers died at the scene and a third passed away after receiving medical attention. A Colombian Air Force helicopter was also hit by shrapnel.The Colombian military “categorically” condemned what it called a “...