Pierre Gasly's unexpected retirement from the Las Vegas Grand Prix due to an engine failure was a significant setback for both the French driver and his Alpine team. Starting from an excellent position of P3 on the grid,

The team began the year at the back of the grid, as Esteban Ocon and Pierre Gasly locked out the back row for the season-opening Bahrain Grand Prix. However marked improvement has been the story of their final half of the season,

After a sublime Qualifying effort to start the Las Vegas GP from P3, why did Alpine's Pierre Gasly have to retire from the Grand Prix?