A motorcyclist was seriously injured Sunday afternoon in a crash in Jim Thorpe. The crash occurred around 4:30 p.m. as the biker was traveling along Route 903 on Kattner’s Mountain. The man apparently lost control, striking the guide rails. The victim was treated at the scene by Lehighton paramedics before being flown by MedEvac helicopter to a Lehigh Valley area trauma center. The Mauch Chunk fire company set up a landing site at the Jim Thorpe High School. Jim Thorpe police are investigating the incident.