lewis Hamilton took a huge step toward retaining his Formula One title by winning the Russian Grand Prix on Sunday as his main rival Nico Rosberg failed to finish.
Hamilton started second behind Rosberg and took over the lead from his Mercedes teammate when Rosberg experienced a throttle problem that forced him to retire.
Hamilton then cruised to victory by 5.9 seconds over Ferrari's Sebastian Vettel, with Sergio Perez finished third and secured only the third podium place for Force India. With four races to go, Hamilton leads Vettel by 66 points and Rosberg by 73. Ferrari's Kimi Raikkonen finished fifth behind Felipe Massa of Williams. Daniil Kvyat finished sixth, ahead of Felipe Nasr for Sauber and Pastor Maldonado for lotus. The two Mclarens of Jenson Button and Fernando Alonso rounded out top 10.
Meanwhile, Force India’s Nico Hulkenberg crashed out of the race.