F1: Lewis Hamilton wins Russian Grand Prix

Britain's Lewis Hamilton dominated the Russian Grand Prix to take his ninth win of the year, his fourth in a row, and extend his championship lead.

Hamilton's team-mate Nico Rosberg fought back following a first-lap error to take second place, sealing the constructors' title for Mercedes.

Rosberg trails Hamilton by 17 points with three races remaining and a maximum of 100 points available.

Hamilton equalled Nigel Mansell's record for most wins by a Briton - 31.

Read more at: http://www.bbc.com/sport/0/formula1/29542993