Oscar Piastri's hopes of winning his maiden Formula 1 drivers' championship this season have been severely damaged, and a contentious penalty in Brazil has worsened the blow.

Piastri was penalised for causing a collision during Monday's (AEDT) São Paulo Grand Prix at Interlagos, which resulted in Ferrari's Charles Leclerc crashing out of the race.

The stewards handed Piastri a 10-second penalty, which robbed the Australian of the chance to finish on the podium and lessen the deficit to race winner and championship leader, Lando Norris.

Post-race, Piastri was clearly frustrated by the penalty, while Leclerc, who had his race ended by the incident, believed the Australian should not be given all of the blame.

What happened in the crash?

The flashpoint of the grand prix came on lap six o

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