The Formula One circus has arrived at one of the great motor racing circuits this weekend.

Mark Webber's Red Bull team boss has launched a scathing attack on the current state of Formula One amid widespread calls for a return to hard-wearing tyres.

New Zealand IndyCar frontrunner Scott Dixon hopes to put his run of bad luck at the Long Beach circuit in California behind him this weekend.

Formula One boss hints at big changes, but says he's staying.