McLaren boss Andrea Stella says a "very detailed" review of Lando Norris' Singapore Grand Prix collision with team-mate Oscar Piastri is required to ensure the drivers retain "trust" in the team.
Championship leader Piastri was left aggrieved when Norris, his nearest title challenger, caused the two papaya cars to make contact during a first-lap overtake, which ultimately resulted in the gap between them being reduced to 22 points with six rounds remaining.
The stewards didn't intervene, while McLaren rejected Piastri's radio request for the team to take action against the Brit, on the grounds that they believed the collision had only occurred as a result of Norris reacting to clipping the rear of Max Verstappen's Red Bull moments earlier.
Piastri fumed over the radio that McLaren's dec