Australian Grand Prix organisers person promised to analyse aft fans invaded the way earlier Sunday's contention had officially finished.
Footage showed a "large group" of the 131,000-strong assemblage squeezing done barriers and climbing fences conscionable metres from speeding cars.
Some reached the stranded Haas of Nico Hulkenberg connected the exit of crook two.
The sport's governing body, the FIA, said the incidental was a superior breach of the sporting code.
Australian Grand Prix Corporation main enforcement Andrew Westacott said the result astatine Melbourne's Albert Park "could person been horrific".
The FIA said "security measures and the protocols which were expected to beryllium successful spot for the lawsuit were not enforced resulting successful an unsafe situation for the spectators, drivers and contention officials".
It has demanded that organisers "urgently contiguous a ceremonial remediation plan".
Westacott said officials would trawl information cameras to effort and find retired however the breach occurred astatine the extremity of an incident-packed contention which was won by Red Bull's Max Verstappen and ended nether a information car aft a crash-affected restart.
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"There's a controlled allowance of radical to travel connected to the way aft the contention has concluded and aft the information car passes," helium told ABC.
"Spectators had breached 1 of the lines, we don't cognize however that's occurred conscionable yet.
"We've got a batch of CCTV and we've got a immense magnitude of footage we're going to person to determination done implicit the adjacent mates of weeks.
"Motorsport is unsafe - it could person been horrific.
"Nobody does thing malicious astatine motorsport, it's an unbelievably well-behaved assemblage but they, I think, had a grade of confusion. We don't cognize however they got into the country without the close level of authority."
Meanwhile, contention organisers person besides been criticised by a spectator who suffered a chopped to his limb erstwhile helium was struck by a portion of debris from Haas operator Kevin Magnussen's car.
Will Sweet told Australian vigor presumption 3AW helium was lasting with his fiancee connected a packed elevation conscionable disconnected crook 2 erstwhile the Dane's car deed the track-side barrier, sending his tyre and debris flying into the air.
"It slapped maine successful the limb and I was conscionable lasting determination bleeding," helium said.
"My limb was covering wherever my cervix would've been, but if that had deed my fiancee, it would've got her close successful the head.
"I realised however large it was and however dense it was. Part of it was shredded and truly sharp. If it deed maine successful a antithetic angle, it could've been horrendous."
Australian media published a representation of Sweet holding a ample portion of debris with humor trickling down his forearm and different showing him having attraction from a aesculapian authoritative astatine the track.
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