Authorities say an ambulance driver that crashed on the Kansas Turnpike near El Dorado received a minor injury. The Kansas Highway Patrol says the driver lost control around 10:30 a.m. Wednesday as the area was under a winter weather advisory. The crash report says the driver then overcorrected and struck the barrier wall and the guard rail. No mention was made in the report of a patient in the ambulance. The patrol says a tractor-trailer also was involved in the wreck. That driver had no apparent injury.