BBC Sport - Button to stay, Mercedes powered Manors and Lotus' Renault buyout

F1 News - Mercedes to power Manor

BBC Formula 1 pit lane reporter Tom Clarkson takes a look at some of the biggest news stories unfolding before next weekend's Russian Grand Prix.

Jenson Button is now staying with McLaren for the 2016 season and should now become one of only three drivers to compete in over 300 grands prix.

In other news, Mercedes have agreed to supply Manor with engines next season, Renault's buyout of Lotus seems to be going ahead, and an updated provisional calendar for the 2016 season has been released.

The Russian Grand Prix is live on BBC TV, radio and online.

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