F1 United States GP live commentary and updates - Leclerc leads FP2

Key Points:

• Charles Leclerc topped the timesheets again in FP1 at the Circuit of the Americas, followed closely by Andrea Kimi Antonelli, Max Verstappen, Lewis Hamilton, and George Russell, despite numerous track limits violations affecting lap times.
• Drivers and teams are facing tyre challenges, with high-speed front degradation reported and sliding issues on soft compounds, indicating a complex tyre strategy for the race, with all three tyre compounds expected to be used.
• Aston Martin principal Adrian Newey expressed optimism about the team's progress for 2027, highlighting a strong team spirit and increased innovation at their Silverstone base despite this year's performance setbacks.
• Cadillac is using FP1 sessions to test experimental parts intended for next season's car, focusing on revised floor fence geometry and cooling louvres to gather data for future development rather than immediate race performance.
• The FP2 session at Austin is underway with the full driver lineup returning, including Sergio Perez resuming driving duties for Cadillac after Colton Herta's home event laps, setting the stage for further on-track action.