Sochi 2014: Russia fastest in bobsleigh as Great Britain lie seventh
Russia take the lead after two heats of the four-man bobsleigh at the Winter Olympics.
The Russians' total time of one minute, 15.18 seconds was 0.04 faster than nearest rivals Latvia, with two more heats to come on Sunday.
Meanwhile, Great Britain sit seventh in the standings, 0.34 seconds off the leaders.
Canada 3 sit at the bottom of the table after a dramatic crash on the second run ended their chances of a podium finish.
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