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Summary

  1. Hamilton fastest in second practice, Magnussen 2nd
  2. Alonso 3rd, Rosberg 4th, Bottas 5th
  3. Marussia to run one car in Sochi out of respect for Jules Bianchi
  4. Ricciardo stops on track, causing red flag
  5. Rosberg fastest in first practice, Hamilton 2nd
  6. Watch both sessions again via Live Coverage tab

Live Reporting

By Lawrence Barretto

All times stated are UK

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Lewis Hamilton
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Lewis Hamilton seized the advantage on Friday afternoon, as he has done in the last few races, finishing a massive eight tenths clear of the field.

That's not representative of the gap to team-mate Nico Rosberg, who made a mistake on his final flying lap, but will no doubt give him confidence ahead of qualifying tomorrow.

Can Rosberg respond on Saturday? I'll see you then to find out.

So that's it for track action today. Final practice starts at 09:00 BST, with the live text resuming at 08:30. Qualifying follows at 12:00.

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Kayleigh Gray: Another beautiful session for @McLarenF1 fingers crossed for a good weekend from them!

PhilSlocombe: No surprise that Lewis is at the top; real champions can find that extra speed when they need it.

For the latest news, keep across the F1 pages, our Twitter feed @bbcf1 and watch Inside F1 on the BBC News Channel at 18:45 BST.

Christian Horner looks ok
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"We'd expect to be up with McLaren, Williams and Ferrari" says Red Bull boss Christian Horner, whose drivers Sebastian Vettel and Daniel Ricciardo finished ninth and 13th fastest respectively.

"The drivers are not saying there's anything particularly wrong with the car, but it doesn't seem quite quick enough."

It's all very close between Kevin Magnussen in second and Felipe Massa in seventh. They are separated by just a quarter of a second.

Lewis Hamilton, though, is way out in front with a lead over eight tenths of a second.

BBC F1's Tom Clarkson reports that Pirelli engineers were very quick to cover up a tyre taken off Jenson Button's car, where a flatspot had worn it down to its canvas.

Second practice results

1) Lewis Hamilton 2) Kevin Magnussen 3) Fernando Alonso 4) Nico Rosberg 5) Valtteri Bottas 6) Jenson Button 7) Felipe Massa 8) Daniil Kvyat 9) Sebastian Vettel 10) Jean-Eric Vergne 11) Kimi Raikkonen

12) Nico Hulkenberg 13) Daniel Ricciardo 14) Sergio Perez 15) Adrian Sutil 16) Romain Grosjean 17) Pastor Maldonado 18) Esteban Gutierrez 19) Marcus Ericsson 20) Max Chilton 21) Kamui Kobayashi.

Chequered flag

Lewis Hamilton
EPA

Lewis Hamilton finishes quickest in second practice for the Russian Grand Prix.

The track is pretty busy, with 14 cars out on track. It'll be enough for a timed lap and also give the drivers an opportunity to do a practice start.

Go! Go! Go!

We're back under way, with three minutes of the session still to go.

When BBC F1 commentator Ben Edwards asks Red Bull boss Christian Horner what they think the problem is on Daniel Ricciardo's car, he replies: "I'll give you three guesses, no, one guess." Ben replies: "Power unit failure?"

"Yes," says Horner, "In fairness, that power unit was right at the end of it's life. Unfortunately, it's missed six and half minutes of use."

Red Bull have had a number of problems with the Renault power unit this season.

Red flag

russian gp
BBC

The session has been red-flagged with Daniel Ricciardo's smoking Red Bull parked up at Turn 12.

Mechanical

ricciardo
BBC

Daniel Ricciardo's Red Bull rolls to a halt. "I think she's gone," reports the Australian on team radio.

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PhilSlocombe: McLaren looking stronger this weekend and could be challenging for the podium.

Jenson Button
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Jenson Button locks up and runs wide. The 2009 world champion reports a flat-spot and is then told to pit at the end of his lap.

McLaren's Jenson Button is told that his pace on the long run is good. He's in the 1m44s. His engineer asks how his tyres are performing. "OK," comes the response. Short and to the point.

Fernando Alonso
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Having said the order is unlikely to change, Fernando Alonso is clearly on a different programme as he's just gone third quickest with a 1:40.504, just over eight tenths off the pace.

Here's how they stand with 20 minutes remaining:

1) Ham 2) Mag 3) Ros 4) Bot 5) But 6) Mas 7) Alo 8) Kvy 9) Vet 10) Ver

Team radio

Sebastian Vettel: OK, something's not right, I'm losing time down the straights. His engineer Rocky replies: "OK, we don't see anything wrong, please try again."

Vettel comes back: "There was a clear feeling on the straight when I started losing power. Rocky replies: "OK, at the moment, we think it might be a headwind."

Frosty. Vettel is leaving Red Bull at the end of the season, of course.

The order is unlikely to change now as drivers and teams have switched their attention to long-runs to gather data for Sunday's race. One of the aspects they will be looking at is how the tyres degrade and wear on heavy fuel loads so they can formulate strategy plans.

russian gp
BBC

Russian Daniil Kvyat, who is currently seventh quickest, has a bunch of oversteer, but wrestles control of his Toro Rosso and continues. Pictured here on the thermal imaging camera.

lewis
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Lewis Hamilton completed another tidy lap and improves his fastest time by two tenths of a second with a 1:39.630.

Nico Rosberg looks set to close the gap on Lewis Hamilton, but then runs wide at Turn 17.

So it looks like the best times on the soft tyres will come after a couple of laps. That could make qualifying interesting as timing - and making space - will be crucial.

hamilton
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Jenson Button improves on his next lap with a 1:40.718, but he's bumped down by Nico Rosberg. Kevin Magnussen delivers a stunner, to go quickest, but none of them are a match for Lewis Hamilton, who is the first man into the 1m39s with a 1:39.817.

Lewis Hamilton's soft tyre effort is disappointing, the Briton going fourth quickest, two tenths off the pace and behind the two McLarens.

button
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Nico Rosberg reasserts his authority with a 1:41.027, 0.169 seconds clear of Jenson Button (pictured) in second. Kevin Magnussen then splits them, slotting into second just 0.038 seconds off the pace.

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Diesel::Driver: ‏Things not looking good for Kimi. He's only done 5 laps in 30 mins.

McLaren's Jenson Button gains about six tenths of a second by bolting on the soft tyres to go quickest with a 1:41.196.

Nico Hulkenberg does a cooling lap and then goes even faster on that same set of softer tyres. The German clocks a 1:41.677, 0.169 seconds off the pace-setter Nico Rosberg, who incidentally has just gone out.

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Tone720: Kvyat giving some detailed feedback there, come a long way :)

Sauber's Esteban Gutierrez puts the softer tyres on and improves to an unspectacular 14th place. Force India's Nico Hulkenberg makes better use of them and leaps into fourth, 0.461 seconds off the pace.

Team radio

Daniil Kvyat: "The car is lazy, it's not responsive, there's no grip, so we'll box."

Lewis Hamilton
AFP

With half an hour gone, Nico Rosberg leads Lewis Hamilton (pictured), with Jenson Button third and Jean-Eric Vergne fourth. Here's the top 10:

1) Ros 2) Ham 3) But 4) Ver 5) Alo 6) Mas 7) Kvy 8) Bot 9) Mag 10) Per

Team radio

Romain Grosjean: "There is a problem guys, I cannot drive."

It's not often I write this, despite the number of problems he has had this year, but Kimi Raikkonen is bottom of the timesheets 8.4 seconds off the leading pace.

The pendulum swings back to Nico Rosberg in the battle of the Mercedes team-mates as the German clocks a 1:41.508, a quarter of a second clear of Lewis Hamilton.

russian gp
BBC

Replays show that Lewis Hamilton locked up on that last lap, which won't have done that right-front tyre any good.