Latest F1 news in brief
Bridgestone to review white-circle markings
Spyker signs two title sponsors
Alonso checks out Albert Park on foot
Late car means slow start for Speed's STR
Kovalainen shrugs off major crash
Kubica rubbishes 'BMW brawl' report
Toyota could be '07 backmarker – Sutil
No Friday drive for de la Rosa in Australia
Aguri to run without tester on Friday
Alonso slams brake on night racing