(Iowa News) – Two separate motorcycle accidents Saturday afternoon took one life and resulted in serious injuries to another. The Iowa State Patrol reports 42-year-old Mark Ryan Hendricks, of Cleveland, WI, died when the rear tire on the 2013 Victory motorcycle he was riding failed, causing Hendricks to lose control in Pottawattamie County.

The cycle flipped numerous times. Hendricks was ejected and struck the cable barrier, resulting in fatal injuries. The accident happened at 2:08-p.m. on westbound Interstate 80, near Underwood.

And, the operator of a 2006 Harley Davidson motorcycle was seriously injured in a crash that occurred at around 1:30-p.m., Saturday. 50-year-old Robert W. Hobbs, of Waterloo, was exiting Interstate 80 westbound in Adair County at mile marker 76, when he failed to negotiate the curve of the exit. The cycle entered the gore and went out of control. Hobbs was not wearing a helmet. He was transported by Mercy One Helicopter to Mercy Hospital in Downtown Des Moines.

The Patrol says also, a man from Otley, Iowa, died Saturday, when the 1974 Ford 7000 Tractor he was driving, was rear-ended in Marion County in the right-hand lane of westbound Highway 163, by a westbound 2002 Honda Accord. The tractor driver, 72-year-old Harold Jay Gorter was ejected and died at the scene. The accident happened at around 2:15-p.m.

The driver of the car, 41-year-old Chad Thomas Birkenholtz, of Otley, was not injured. The crash remains under investigation.