Title rivals Lewis Hamilton and Max Verstappen are under investigation after Hamilton romped to pole position for the ‘sprint’ qualifying race at the Sao Paulo Grand Prix.
Hamilton’s Mercedes car was referred to the stewards for an alleged technical infringement on its rear wing.
Verstappen is also set to appear in front of stewards on Saturday morning for an alleged breach of the FIA’s International Sporting Code concerning rules on working on the cars after qualifying.
Hamilton, who has a five-place grid penalty for Sunday’s grand prix, was untouchable over one lap, 0.438 seconds quicker than Verstappen.
However, if his car is found not to comply, he will be sent to the back of the sprint grid.
Governing body the FIA said a decision would not be made until Saturday because the stewards were “awaiting further evidence that will not be available until the morning”.
A later statement said Verstappen and a team representative had been summoned to a meeting for an alleged breach of the…