UPDATE 3.15PM: A 58-year-old man has undergone surgery after having both of his legs broken in a Highfields road rage attack.
Police also believe the Toowoomba man was bashed with an object before being run over on Wednesday.
TODAY 9.30AM: Police are investigating an incident at Highfields that has left a 58-year-old Toowoomba man with serious injuries.
Preliminary investigations suggest about 3pm the man pulled over on the side of Cawdor Dr in his car and a white four-door 4WD utility pulled up behind him.
It is believed the male driver of the utility got out of the vehicle and assaulted the 58-year-old man with an unknown object.
Both vehicles have then driven down Cawdor Dr where they were involved in a further crash which resulted in the car being pushed into a ditch.
The 58-year-old man exited his vehicle and was struck by the utility.
The utility has then reversed and was last seen driving south on Cawdor Dr.
The driver of the car was taken to hospital with serious leg injuries.
Investigations into the incident are continuing.
4.30PM: A man was left with two broken legs after a possible hit and run traffic incident at Highfields yesterday afternoon.
Firefighters received a report that a man in his 50s was trapped under his car on the corner of Cawdor Rd and Holly Ave, but upon arrival, found him next to the car.
Another vehicle was believed to have been involved in the incident, but left the scene.
QFRS station officer Peter Werder said firefighters assisted the ambulance officers, but the man did not need extrication.
"At this stage, it's still unclear (what happened), but police are investigating," he said.
Police were still determining the cause of the accident last night.
4PM: Emergency services have freed a 58-year-old man trapped under a car at Highfields this afternoon.
The incident, which occurred at the intersection of Cawdor Dr and Holly Av, was reported at 3.10pm.
WEDNESDAY 3.20PM: Emergency services are on their way to Highfields to respond to reports that a pedestrian has become trapped under a car.
The incident has taken place at the intersection of Cawdor Dr and Holly Av.
The man, believed to be aged in his 50s, is trapped by his legs.