The fourth day of the biggest motoring garden party in the world is already well underway, thanks to those pesky time zones, and it's already a bit of a nutter. Al Unser's old IROC Camaro already had an off, and there's been battles between a McLaren F1 GTR longtail and a modified Maserati MC12.

It's the British motoring Mecca for a reason. Watch it all live right now.