Ferrari has sent out the first shots of its new F2012. A Maranello launch had been planned for Friday, although this was called off on Thursday morning due to heavy snow in the area. As expected, the new contender features a significant drop down to its front nose cone in-line with modified regulations for this season.

Narain Karthikeyan will partner Pedro de la Rosa in HRT's line-up for the 2012 season. Karthikeyan competed at the first eight 2011 Grands Prix for the Spanish team, before stepping aside for Red Bull protege Daniel Ricciardo, but made a one-off race return at his home Grand Prix in India in October. “It has taken a lot of hard work to make this happen but I am absolutely elated to feature on the 2012 grid with HRT F1 Team,” said the Chennai-born driver. “I was pleased with our strong performance at the Indian Grand Prix, in front of my passionate home fans and I look forward to building on this result in 2012. I have been training hard since the end of 2011, ensuring I was ready for the rigours of F1 if an opportunity arose.

HRT has announced that it has signed Indian driver Narain Karthikeyan, thereby completing the 2012 grid.

Narain Karthikeyan has been revealed as HRT's second driver for the 2012 season, returning to the Murcia-based squad after an eight-race spell in the sport last year. The Indian, who had his 35th birthday in January, joins Spanish driver Pedro de la Rosa at the outfit, the latter also making a full-time comeback.

BBC Sport's F1 technical analyst Gary Anderson joins Jake Humphrey at the launch of McLaren's 2012 challenger, the MP4-27, to take a closer look at the design of the car.

Williams is running its new Renault-powered FW34 in Spain on Thursday, the team has confirmed to GPUpdate.net, with Finland's Valtteri Bottas in action at IDIADA.

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Heavy snow at their base in Maranello forces Ferrari to cancel the launch of their new car for 2012.

Casey Stoner remained quickest as the chequered flag fell at Sepang on Thursday, bringing an end to MotoGP’s first pre-season test of the year. The World Champion, who had been injured and skipped the first day, ducked under the two-minute lap time barrier as the factory Honda and Yamaha riders filled the top four places.