Two good Samaritans were sent to the hospital after a robbery near the Thunder Bay Community Auditorium.
Thunder Bay police say a man and woman were walking together when they heard a woman calling for help in the parking lot of the Auditorium.
When they went to check on her, they were attacked by a man on a bicycle.
Officers responded around 11:15.
Police are still investigating, and ask anyone with information to call police headquarters or CrimeStoppers.