Formula One leaders McLaren have modified the rear wings on their cars at the Singapore Grand Prix after talks with the governing FIA following concern from rival teams. The British-based team went top of the standings in Azerbaijan last weekend but drew scrutiny of how the rear wing functioned at speed,

Oscar Piastri’s win last week at the Azerbaijan Grand Prix put McLaren top in the teams’ standings — the key to F1’s lavish prize money — but teammate Norris only took a small bite out of Verstappen’s lead.

F1’s regulations limit the amount of flexibility permitted, but teams try to find ways to maximize this to improve performance.