Formula 1's governing body the FIA is planning a clampdown after Paris Saint-Germain superstar Neymar reportedly broke its rules at the Spanish Grand Prix.
Neymar, 31, was just one of many high-profile footballers to attend the race on June 4 at the Circuit de Barcelona-Catalunya.
Neymar's club teammate Kylian Mbappe was also present, as were Chelsea stars Mason Mount and Ben Chilwell.
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And the Brazilian could be in hot water after 'breaking' the FIA's rules around grid access ahead of races.
While celebrities are often seen walking around the grid before the start of a race, a number of guests including Neymar were still on the edge of the grass on the main straight as the formation lap began to take place, according to Autosport.
The report claims the FIA is now considering a clampdown, which could potentially include restricting grid access to celebrities.
The president of FIA, Mohammed Ben Sulayem, has admitted there have been "too many" people on the grid before some races.
"We must take learnings from the incident at the Spanish Grand Prix," he said.
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"The FIA has been assured by Stefano Domenicali [CEO of F1] that measures are being taken to ensure that there is no repeat of the incident.
"It is an issue not just in Formula 1 but also in Formula E and World Endurance Championship and other categories from my recent experiences with too many people on the grid at some events.
"I have no doubt that in all cases, the promoter will adhere to the FIA requirements on safety and security.
"It is the duty of the FIA to ensure a safe environment for all. Safety in motor sport is the Federation's main priority."
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It comes as the FIA World Motor Sports Council are still awaiting the findings of a report into a dangerous incident at Formula 1's Australian Grand Prix in April.
Spectators managed to break through security and access the track toward the end of the race, with some even managing to reach the car driven by Haas' Nico Hulkenberg as it was parked at turn two.
Topics: Neymar, Football, Paris Saint-Germain, Formula 1