International Tribunal confirms verdict on 'secret' tyre test by Mercedes and Pirelli, with both getting reprimands, while the former is also banned from taking part in this year's Young Driver Test
Pirelli says it is close to agreeing terms for extra tyres in Friday free practice, but doesn't think the rookie driver requirement will be made mandatory.
"If we'd brought the hard tyre, we would probably be looking at one stop," says Pirelli's Paul Hembery. "We're confident that we're in for another action-packed race tomorrow."
Sebastian Vettel has revealed that his Red Bull team has been working to cure the RB9's tyre woes, but remains pessimistic about his chances in Malaysia.
Teo Martin confirms Spanish media reports that he has purchased many of the assets of the HRT team - although he also reveals that Pirelli has bought one of the 2011 cars
The compounds and constructions have all changed for F1 2013. Here is a step-by-step guide to Pirelli's P Zero and Cinturato compounds for the year ahead...
"Our 'model' for motorcycle control tyres needs a very close specification between road and racing and this is not the case in MotoGP. But if MotoGP were to accept this, why not?" - Giorgio Barbier, Pirelli.