F1 news: Lewis Hamilton pressed to abandon Ferrari as Red Bull warned against £15m splurge

will aim to mathematically seal his fourth consecutive Drivers' Championship in Las Vegas later this month. The star took a dagger to ' title bid in Brazil last time out, where he surged from 17th on the grid to take the win.

Though the top of the individual standings are all but settled, a tense battle is still underway among the constructors. , and Red Bull are separated by fewer than 50 points ahead of the season's final three races.

are a long way behind in fourth, and they will be keen to give a good send-off before he joins the Scuderia.

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