Formula One's sole tyre supplier Pirelli has changed its compounds for next month's Brazilian Grand Prix after reassessing the state of new asphalt laid at Sao Paulo's Interlagos circuit. The original choice of hard and medium tyres was criticised by Brazilian driver Felipe Massa last weekend as potentially dangerous. However Pirelli said the decision to switch to medium and soft tyres had been prompted by recent resurfacing and agreed at a meeting of the sport's tyre working group. "We've always said that we would be open to any changes if they were required," said Pirelli's motorsport director Paul Hembery. "After further technical analysis of the impact of the revised...
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