A seven-year-old boy lost control of a John Deere Gator this morning and crashed into a tree, suffering life-threatening injuries, according to police.
The Michigan State Police are investigating the incident which took place at the Rolling Hills Golf Course in Cass City.
The boy's five-year-old brother was also riding the Gator but, while he was thrown from the utility vehicle, he was uninjured.
The five-year-old was able to drive the Gator and inform a family member of the crash.
The injured seven-year-old was flown to Hurley Hospital in Flint.