The Spencer Police Department reports that about 9:55 AM, 61-year-old James Mingus of Spencer was driving a truck eastbound on West Eighth Street. Eighteen-year-old Jonathan Ferguson was northbound on First Avenue West on a bicycle.
The report says Ferguson ran the stop sign and struck the passenger side of the truck. The bicycle Ferguson was riding was a stunt bike and did not have any working brakes.
Ferguson was taken to the Spencer Hospital and later transported by helicopter to a Sioux Falls hospital. His injuries were reported as critical.
Mingus was not injured.
The investigation continues.
The Spencer Fire Department and the Iowa State Patrol assisted at the scene.