Singapore Grand Prix: Haze threatens race, plus more
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BBC Formula 1 pit lane reporter Tom Clarkson takes a look at some of the biggest news stories unfolding before this weekend's Singapore Grand Prix.
Haze is the main concern, with forest fires in Indonesia causing dangerous levels in Singapore.
In other news, the Australian Grand Prix is staying in Melbourne until 2023, Lotus will race to the end of the season, and Red Bull are now looking to Ferrari for engines in 2016.
The Singapore Grand Prix is live on radio and online with highlights on BBC TV.
Available to UK users only