BBC F1 pit-lane reporter Tom Clarkson takes a look at some of the biggest news stories this week in Formula One ahead of the 70th British Grand Prix, which is expected to bring in a record crowd of 350,000 people over four days.

McLaren perform well in Wednesday's test session at the Red Bull Ring in Speilberg, and could Miami Dolphins owner Stephen Ross be about to launch an F1 takeover bid worth around £5 billion?

Elsewhere, Red Bull team boss Christian Horner responds to speculation about his future.

The BBC has live TV and radio coverage of the entire weekend, with Onboard, Timings, Driver Tracker and Pit Lane streams available online via connected TVs and the BBC Sport website and app.

Available to UK users only.