Pirelli says the deflations seen in Qatar were the result of the amount of time the tyres were run on the kerbs, at high speed and with considerable lateral and vertical loads. read more »

Felipe Massa says his two left rear punctures during the opening practice session for the Chinese Grand Prix were caused by contact with his car's bodywork. On both... read more »

Nico Rosberg topped the opening practice session for the Chinese Grand Prix, which was stopped twice following a series of tyre problems that left debris on track. Felipe Massa... read more »