The crowd watch the start of the race at Sochi
Lewis Hamilton eases to Russian GP victory.
That Mercedes 1-2 means they are the 2014 Constructors’ Champions.
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, sealing the constructors’ title for Mercedes.
Rosberg trails Hamilton by 17 points with three races remaining and a maximum of 100 points available.
Williams’s Valtteri Bottas was third ahead of McLaren’s Jenson Button.
The Englishman had been in a battle with Ferrari’s Fernando Alonso, but the Spaniard dropped back behind the second McLaren of Kevin Magnussen with a slow pit stop.
Alonso fended off a challenge from Red Bull’s Daniel Ricciardo in the later stages of the race to take sixth.
The race was overshadowed by the sport’s concern for Marussia driver Jules Bianchi, who is in critical condition after a crash in the Japanese Grand Prix last weekend.
There was a tribute to the Frenchman on the grid from both the Marussia team and the other drivers.
Marussia decided to run only one car in the race, leaving Bianchi’s fully prepared but on stands in the garage in tribute to the Frenchman.
Russian Grand Prix results:
BBC Sport Report
Russian GP in pictures
All of Ferrari is with you! #ForzaJules
Ferrari, who he has trained with, have paid tribute to him this morning
The F1 drivers wave to the crowd during the parade
In comes Bottas to his P3 grid slot. Cleaner side of the grid which could be helpful at the start.
The F1 community shows its support for the injured Jules Bianchi ahead of the Russian GP
We race for you Jules!
Driver unity in support of Jules ahead of the Russian GP. We are all with you. #ForzaJules
Lights Out at the Russian GP!
Nico Rosberg locked up heavily as he passed team-mate Lewis Hamilton at Turn One at the start.
Great weather in Sochi.
Fernando Alonso in action in Sochi
Lap 26: Bad stop from Alonso as he lost crucial seconds.
Alonso drives in Sochi, with rollercoasters in the background
The lock up that ruined Rosberg’s opening lap… but he’s back up to 2nd now
Russian president Vladimir Putin is among the crowd at the Russian GP.
Vladimir Putin shaking hands with today’s Russian GP winner, Lewis Hamilton.
Williams’ Bottas (left) and McLaren driver Jenson Button (centre) take the first corner at Sochi
Ferrari’s Fernando Alonso (left) chases Button during the inaugural Russian Grand Prix in Sochi
Russian President Vladimir Putin (left) welcomes the King of Bahrain, Hamad bin Isa Al Khalifa.