Commuter Jet Crashes

A CJR-100 regional jet operated by Comair has crashed shortly after takeoff from the Lexington, Kentucky airport. The were 50 people on the flight. Emergency crews are responding.

UPDATE: There is reportedly one survivor at this time, in critical condition at a local hospital. The hospital says that no other victims have been brought in.

UPDATE: 49 reported killed. The plane may have been on the wrong runway, one that was too short.

UPDATE: CBS News is reporting it was the wrong runway and that the plane may never have actually become airborne at all.