The FIA are looking into Red Bull's cars a little closer of late, and that has pleased McLaren boss Zak Brown.

The FIA has upheld its position on the Red Bull controversy in Austin, resolving concerns about a device that could alter ride height.

Red Bull say that they have made changes to their F1 car as a result of discussions with governing body the FIA.

Formula One champions Red Bull have made changes to their car after discussions with the governing FIA, the team said on Thursday. The news came after the FIA issued a statement in response to concern from some teams about a possible exploitation of rules restricting work on a car between the start of qualifying and the race.

McLaren CEO Zak Brown urges the FIA to investigate Red Bull Racing's alleged parc ferme rule violations to ensure fairness in Formula 1.

McLaren boss Zak Brown warned on Friday of "massive consequences" if champions Red Bull were found to have breached Formula One rules on adjusting car set-ups during closed 'parc ferme' conditions. Red Bull,

McLaren’s chief executive Zak Brown warned on Friday of “massive consequences” if champions Red Bull were found to have breached Formula One rules on adjusting car set-ups during closed ‘parc-ferme’ conditions.

Red Bull have seen their controversial ride-height device come under fire ahead of the United States Grand Prix, with the team's explanation not satisfying McLaren boss Zak Brown

The Milton Keynes-based squad has been at the centre of attention this weekend after it emerged the FIA was ramping up protocols to stop teams adjusting their front bib clearance

McLaren's Zak Brown has said aspects of Red Bull's explanation of its bib ride height adjustment device "don't stack