A man is in serious condition after a bus ran over him in Oakland Friday afternoon.

At approximately 4:15 p.m., a man who was running alongside a blue bus fell near the corner of Fifth Avenue and Thackeray Avenue. The bus’ back tires ran over the man, according to witnesses. First responders rushed the man to UPMC Presbyterian hospital, Port Authority spokesperson Jim Ritchie said.

Ritchie confirmed that the bus was a Port Authority bus, driving the 61A route toward Downtown. Ritchie added that the bus was an articulated bus, meaning it was one that bends in the middle.

Pending a police investigation, Port Authority will take appropriate action, including disciplinary action against the driver, Ritchie said.

Port Authority is cooperating with police by providing surveillance video from other buses that were in the area at the time of the accident, Ritchie said.