The pulsating duel for victory between Charles Leclerc and Lewis Hamilton at the last race in Monza featured the first high-profile re-use of what has been termed Formula 1's equivalent of football's yellow card. So what does the black-and-white warning flag mean and will it be used more regularly in F1 from now on? What is the black and white flag? One of the many flags available to race officials throughout the single-seater motorsport ladder, the black and white diagonal flag essentially acts as a one-time warning to drivers. It has been likened by FIA race director Michael Masi football's yellow card - essentially a final warning before a more lasting punishment is applied. 'This flag...
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