Sudbury police are investigating after a man walking on Regent Street near Struthers Street on Monday was hit by a tire that came detached from a passing vehicle.
Police said the 53-year-old was hit by the tire about 3:30 p.m.
He was taken to hospital for emergency surgery for non-life-threatening injuries.
The driver of the motor vehicle was identified and spoken to by police.
Police said they are asking any witnesses to contact them at (705) 675-9171 or to contact Crime Stoppers at (705) 222-8477.