Suspected rebels fired at a U.S. drug-spraying plane piloted by an American contractor, forcing the pilot to make a crash-landing that injured him, authorities said Wednesday. The plane was flying above the town of Santa Rosa, 220 miles north of Bogota, on Monday when it was hit by small-arms fire, a U.S. official said on condition of anonymity. Colombian police are investigating which of the country’s two main rebel groups are responsible. The pilot, a U.S. citizen who was not immediately identified, was injured in the crash-landing, the U.S. Embassy said. Colombian army troops swooped in to rescue him. He suffered minor injuries. Full Story