Race 2 of the Toyota 86 Racing Series in Townsville has been abandoned after a race-stopping crash on the opening lap.
The track became completely blocked on Charters Towers Road, between Turns 2 and 3, when Aaron Seton spun as a result of contact with Tim Brook.
Seton, who had made a good start to gain a position and run second, ran ride-by-side with Brook exiting Turn 2.
The pair hit when Seton appeared to leave little room for Brook where the track narrows due to the profile of the concrete wall, Brook glancing the wall and then tagging Seton.
With all but race leader Cameron Hill behind them in the 29-car field, several ploughed into each other and blocked the track.
Just nine cars made it back around to park on the main straight under red flag conditions while another handful pitted with damage.
The rest were either involved in the pile-up or had to stop behind the blockage.
“They are (frustrating incidents) but I suppose that's part of motor racing; tight track, the walls around close by,” said Aaron's father and team member Glenn.
“It's hard to tell what happens until you see the vision from each driver's car, so at this stage we'll sit and see what happens.
“I'm not quite sure what the damage is because I can't hear back from Aaron; he can hear me but I can't hear him.
“At this stage, there's hopefully not too much damage and we can get back on track for the third race.”
Medical crews attended the scene but it appeared that all drivers were able to exit their vehicles themselves, Seton included.
Race 3 is scheduled for 1210 local time/AEST.