Authorities are investigating a mysterious laser beam that was directed into the cockpit of a commercial jet traveling at more than 8,500 feet. The beam appeared Monday when the plane was about 15 miles from Cleveland Hopkins International Airport, the FBI said. "It was in there for several seconds like (the plane) was being tracked," FBI agent Robert Hawk said. The pilot was able to land the plane, and air traffic controllers used radar to determine the laser came from a residential area in suburban Warrensville Heights. Hawk said the laser had to have been fairly sophisticated to track a plane traveling at that altitude. Authorities had no other leads, and are investigating whether the incident was a prank or if there was a more sinister motive. In Colorado Springs, Colo., Monday night, two pilots reported green pulsating laser lights shined into their cockpits. Both the passenger plane and a cargo plane landed without problems. Police dispatched patrol cars and a helicopter to a neighborhood to investigate but found nothing. FBI agents were continuing to conduct interviews, agency spokeswoman Monique Kelso said.