56-year-old Mark Demski died in a motorcycle crash in Tower Lakes, Illinois, after striking a tree.

56-year-old Mark Demski from Lake Barrington was killed in a motorcycle crash in Tower Lakes, Illinois. The accident occurred on Monday evening when Demski's motorcycle left the roadway and struck a tree. The Lake County Coroner's Office conducted an autopsy, and preliminary results indicate Demski died from blunt force injuries sustained in the crash.