Qualifying for Brazil's Sao Paulo Formula One Grand Prix was postponed until Sunday after heavy rain over the Interlagos circuit on Saturday.
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After being delayed for two hours with no improvement in conditions, amid fading daylight, officials decided the hour-long session could not proceed and moved it to the morning of the race.
An earlier sprint race, won by Lando Norris in a McLaren one-two, was held in dry conditions as was Friday practice and sprint qualifying.
More rain is forecast for Sunday.