Colombia's Justice and Interior Minister German Vargas Lleras, second right, and Colombia's Police Chief Gen. Oscar Naranjo, right, arrive at the scene where a car bomb exploded outside the building of Caracol Radio station in Bogota, Colombia, Thursday, Aug. 12, 2010. The explosion shook Colombia's capital on Thursday, injuring at least six people, police said. No deaths were reported. (AP Photo/Fernando Vergara)