An overturned fire engine rests alongside Tennessee Highway Patrol Trooper Michael Slagle's cruiser after the vehicles slid off an icy road Friday, Jan. 25, 2013, in Knoxville, Tenn. S

 

              An overturned fire engine rests alongside Tennessee Highway Patrol Trooper Michael Slagle
An overturned fire engine rests alongside Tennessee Highway Patrol Trooper Michael Slagle's cruiser after the vehicles slid off an icy road Friday, Jan. 25, 2013, in Knoxville, Tenn. Slagle died at the scene of the wreck from what appears to be natural causes according to the Tennessee Department of Safety. (AP Photo/The Knoxville News Sentinel, Michael Patrick)