(KSL News) -- One man suffered serious head injuries after crashing his car into a building on 11th east.
Police say the man jumped a curb in front of a nearby post office and crashed through trees into the building.
Police did not get any information from the man about what caused the crash and they don't know if alcohol was involved. They do believe the man was speeding.
Police say there is significant damage to the building which is a personal gym.