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Summary

  1. Rosberg fastest in second practice
  2. Hamilton loses an hour after electrical issue
  3. Hamilton 2nd, Raikkonen 3rd, Alonso 4th
  4. Bottas 5th, Button 6th
  5. Hamilton fastest in first practice

Live Reporting

All times stated are UK

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Lewis Hamilton and Nico Rosberg
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If Lewis Hamilton is to win this year's world title, he's going to have to do it the hard way. You have to go back to Spain in May to find a weekend where Hamilton went through all three days without any problems.

Today, it was a hydraulics issue, but he recovered to finish second fastest. Will his luck change tomorrow? Join me from 09:30 to find out. Until then, it's a very good afternoon from me. Cheerio.

Here's

Andrew Benson's report, with video highlights of that session expected online later this afternoon.

So it's all shaping up rather nicely for qualifying tomorrow with hardly anything to choose between Mercedes team-mates Nico Rosberg and Lewis Hamilton.

There's one more hour of practice to tinker with the cars before qualifying. That starts at 10:00 BST, with the live text kicking off at 09:30. The battle for pole follows at 13:00 BST, with the action live on BBC One from 12:10.

BBC F1's David Coulthard: Interesting how many drivers are missing braking zones, always difficult over 210mph but it seems especially tricky this year.

Question of Sport teaser

Earlier, I posted today's F1-themed Question of Sport teaser which asked: Since 1970, which eight F1 drivers whose surnames end in a vowel have won the Italian GP at #Monza?

The answers are: Alonso, Andretti, Barrichello, Fittipaldi, Lauda, Montoya, Regazzoni and Senna.

So Nico Rosberg will probably end the day the happier of the two Mercedes drivers, but at least Lewis Hamilton got some running towards the end of the session.

Williams traditionally run more fuel on Fridays and look very strong, with McLaren having one of their better days, too.

SECOND PRACTICE RESULTS

1) Rosberg 2) Hamilton 3) Raikkonen 4) Alonso 5) Bottas 6) Button 7) Vettel 8) Magnussen 9) Massa 10) Ricciardo 11) Perez

12) Hulkenberg 13) Kvyat 14) Gutierrez 15) Vergne 16) Sutil 17) Bianchi 18) Maldonado 19) Chilton 20) Grosjean 21) Kobayashi 22) Ericsson

Allan McNish

BBC Radio 5 live analyst

"Williams look to be quickest on the long runs, with Mercedes second quickest. However, I'm sure Mercedes will have a bit more in their pocket for qualifying."

CHEQUERED FLAG

nico rosberg
EPA

Nico Rosberg finishes fastest in second practice for the Italian Grand Prix.

Lewis Hamilton is back out and running with high fuel for the final part of the session. He's second quickest, behind team-mate Nico Rosberg with Kimi Raikkonen third and Fernando Alonso fourth.

Italian GP
BBC

Jenson Button has a big lock-up on the rundown at Turn One, forcing him to dive down the escape road and ruining the lap.

Lewis Hamilton goes quickest in the first two sectors, but hits traffic in the third and final sector and can't improve. The Briton dives into the pits and asks for some tweaks to front end of his Mercedes.

It's cleaner for Lewis Hamilton on the next lap, but it's not quite good enough to take top spot. The Britain moves into second, 0.061 seconds behind team-mate Nico Rosberg.

It's the medium tyres for Lewis Hamilton now, but he makes a mistake on his first flying lap at Turn One, outbraking himself and going deep into the corner before recovering.

Lewis Hamilton's first timed lap is good enough for 12th, 1.1 seconds off the pace on the hard tyres.

Lewis Hamilton is out on track. At last.

Mercedes say they have changed some sensors after an electrical problem prevented the team from starting Lewis Hamilton's car.

italian gp
BBC

Lewis Hamilton has just climbed into the cockpit of his car. It seems it was an electrical issue but speedy work from his Mercedes crew mean he'll get about half an hour of running time.

Kimi Raikkonen pops into second, less than a tenth behind Nico Rosberg but two tenths quicker than Ferrari team-mate Fernando Alonso.

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Andy Dicks: Can't the crew just bump start Lewis? #mk1escortstandardprocedure

Simon Lord: Just give Hamilton Rosberg's car and see what happens?

Couch Commentator: Alonso to Red Bull, Vettel to McLaren, Button to Ferrari. That would please me.

italian gp
BBC

Romain Grosjean runs wide at the Lesmo corners and takes a trip across the gravel before realising rallycross isn't for him and rejoining the track.

italian gp
BBC

Jennie Gow reports that Mercedes co-team boss Toto Wolff says it'll be around 30 minutes before Lewis Hamilton will be back out on track. That will only give him 15 minutes on track during this 90-minute session.

Nico Rosberg improves his lead at the top of the charts after going quicker on the medium compound tyres. That's half a second quicker than Valtteri Bottas with Jenson Button a few thousandths further back in third.

Lewis Hamilton
Mercedes AMG F1

Mercedes: Far from ideal situation but the guys are working very hard here. A lot of cameras pointed at this man right now!

italian gp
BBC

"I looked at the cars, they look pretty sexy, but I'm really happy where I am," says Juan Pablo Montoya, who currently races in Indycar in the United States. "F1's changed in terms of technology, but the paddock looks the same - just bigger. It's fun to see all of the old faces."

When asked if he'll ever come back, Montoya says: "Only to watch!"

Sergio Perez bolts on a set of medium tyres, which are the option rubber this weekend, and then heads out on track. Expect the times to drop as everyone else does the switch before turning their attention to long run race simulations.

italian gp
BBC

Mercedes have created a wall of mechanics to shield Lewis Hamilton's car from prying eyes as they carry out work - presumably on something they don't want the world to see.

Marc Webber
Suzi Perry

BBC F1 presenter Suzi Perry: Woohoo...Mark Webber on our show tomorrow! BBC One, 12.10 BST.

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WelshRacer: Oh goody, Hamilton has a problem.

Graham McMurray: McLaren going better, Ron should keep Kevin and Jenson waiting longer on contracts for next year.

Rosemary Mackenzie: What will Vettel's race number be next season? Can't see it being #1 now.

italian gp
BBC

Lewis Hamilton is the only driver yet to have set a lap time in this session. He's currently sat at the back of the garage, sunglasses on, chatting to a guest and managing to smile.

So Nico Rosberg leads by 0.004 seconds quicker than Fernando Alonso, with Jenson Button third and Kevin Magnussen fourth. Sebastian Vettel is fifth with Valtteri Bottas sixth.

Andrew Benson

Chief F1 writer in Monza

Montoya
Getty Images

"There has been a lot of talk about the potential straight-line speeds here this weekend, given the generally higher speeds seen this year with the new cars. Could they approach the all-time record of 372km/h (233mph) set in Monza by Juan Pablo Montoya's McLaren in 2005? Jenson Button thinks not. 'That was in a V10 car with 900bhp,' he said, adding that he thinks the straight-line kings Williams will probably reach 355km/h (221mph)."

BBC F1 pit-lane Tom Clarkson reports that Lewis Hamilton's car won't start and they have taken the floor off to take a closer look at the engine.

Hamilton, who has not had a smooth weekend since the Spanish Grand Prix in May, has his arms folded and is stood examining the data screens.

It's advantage Nico Rosberg in the battle of the Mercedes as the German goes quickest with a 1:27.005, a few thousandths quicker than McLaren's Kevin Magnussen.

Lewis Hamilton is rummaging around in one of the tool drawers at the back of the garage. Maybe he wants to pitch in and help his mechanics fix his car. The floor has just come off so this could take some time.

Daniel Ricciardo outbrakes himself at Turn One - which is the biggest braking point of the year - running wide, but slows enough to avoid having to bounce over the sleeping policemen.

No sign of Lewis Hamilton, Jenson Button, Sebastian Vettel and Fernando Alonso as yet. Meanwhile, Kevin Magnussen is top of the pile, the Dane clocking a 1:27.634 which is three tenths quicker than the Force India of Nico Hulkenberg in second.

Mercedes: The sun does look like it's coming out! This is more like the #Monza we remember!

Sergio Perez is the early pace-setter, the Mexican clocking a 1:28.270, 0.282 seconds quicker than the Toro Rosso of Daniil Kvyat.

GO! GO! GO!

Here we go, then. It's time for Italian Grand Prix second practice.