A 60-year-old man was run over by a CTA bus late Sunday on the Southwest side. The man had been knocking on the bus in attempt to get the driverās attention in order to board when he tripped and was run over by the back wheel of the vehicle. The bus continued until the driver was alerted by a passenger that the man was down. Stephanie Parrot was on her commute home when she witnessed the event. According to Parrot, the manās arm was completely crushed. The ambulance arrived and took him to a hospital for treatment.