FP1: Piastri tops sole practice in Miami as Bearman's endures late crash

Although Mercedes driver George Russell dominated the opening stages of the sole practice session at the Miami Grand Prix, but championship leader Oscar Piastri flew to the top with his McLaren MCL39. F1Technical's senior writer Balazs Szabo reports on the session that was brought to a premature end due to a late crash from Haas racer Oliver Bearman.