Attack came hours after 2,000 paramilitaries laid down arms. A roadside bomb exploded as a police convoy traveled down a rural highway in northern Colombia, killing at least 11 officers, President Alvaro Uribe said. Word of the bloodshed came hours after more than 2,000 right-wing paramilitary fighters laid down their arms in return for amnesty, as their commander — an accused drug lord indicted on trafficking charges in the United States — stood by and watched. Uribe appeared visibly shaken Monday as he spoke on national television. He said reports from police commanders indicated the attack occurred near the town of Patillal in the mountains about 430 miles (690 kilometers) north of the capital, Bogota. Full Story