Title contender Lando Norris was helped by team-mate Oscar Piastri on his way to lead a one-two for McLaren in the sprint race on Saturday, but qualifying for the Formula One Brazilian Grand Prix was postponed due to heavy rainfall. The rain wasn’t an issue during the sprint race, but the weather conditions got significantly worse between the sessions, forcing ruling body FIA to postpone qualifying for Sunday morning. “The decision was taken due to the lack of visibility caused by the level of rain we have experienced in the past few hours. There is a lot of standing water on parts of the circ…