2014 Italian Formula 1 Grand Prix - First free practice

10:31
We will be back for FP2 at 2pm local time (GMT +2)
10:30
Stay tuned to the website for a full report plus the latest news and photos
10:30
Hamilton remains on top, comfortably clear of Button and team-mate Rosberg
10:30
The chequered flag comes out, bringing the first session to an end
10:29
Perez has another moment at the first chicane on his next lap
10:29
Mechanics will need to inspect the floor again after that one
10:28
Perez flies over the grass at the Ascari chicane
10:27
Massa is another to misjudge his braking spot for Turn 1
10:26
Rosberg does a similar thing at the second chicane
10:26
Merhi runs wide at the first chicane and takes to the escape road
10:25
Magnussen is told to be careful of high tyre surface temperatures exiting Turn 5
10:23
Massa currently tops the speed trap on 346.4km/h (215.2mph)
10:20
Kvyat dips two wheels into the gravel coming out of the second chicane
10:19
Perez is now up to eighth, just ahead of Kvyat
10:14
Force India drivers Perez and Hulkenberg have broken into the top 10
10:11
That puts him six tenths clear of Button
10:11
Hamilton lowers the FP1 benchmark to 1:26.187
10:09
10:09
Replays show Bottas drifting his way out of Ascari and through Parabolica
10:08
Hamilton retakes P1 with a time of 1:26.547
10:07
Perez heads out for the first time, with just over 20 minutes left on the clock
10:04
Hamilton and Rosberg both improve, but stay second and third
10:03
Button sets new bests through the first two sectors, but backs off in the last split
10:01
He is told to return to the pits as the car has an "issue"
10:00
Ricciardo reports a loss of power over the radio
10:00
But Alonso improves again to clear both Vettel and Magnussen
10:00
Vettel has displaced the Ferrari drivers with his latest run
09:59
Button jumps ahead of the Mercedes drivers with a 1:26.810
09:59
The Lotus drivers are currently slower than the Marussias
09:59
Maldonado has gone off at the first chicane again, taking to the escape road
09:58
Kvyat has popped up to seventh, just ahead of Vettel
09:57
Alonso improves to reclaim fifth from Raikkonen
09:56
Merhi has moved ahead of Caterham team-mate Ericsson for P21
09:55
It was secretly brought into the garage under a sheet earlier on
10:06
Force India mechanics are changing the floor on Perez's car
09:54
He makes it back to the pits for the issue to be fixed
09:53
Magnussen's head rest has worked its way loose
09:52
The Lotus driver appears to have avoided any car damage
09:52
Maldonado locks up, runs wide and clatters the kerbs at the first chicane
09:51
Raikkonen improves to usurp Ferrari team-mate Alonso
09:50
Replays show Merhi having a moment at the Ascari chicane
09:48
Raikkonen has a big snap through Parabolica but keeps his car on track
09:47
Perez is now kitted up and ready to go after his early spell on the pit wall
09:46
Drivers are expecting a difficult task with the harder compounds here
09:46
Merhi is weaving along the straights to get some extra heat into his tyres
09:44
Chilton and Raikkonen soon follow him
09:44
Merhi breaks the silence in his Caterham
09:38
Expect some more track action very shortly...
09:35
09:33
Perez will reclaim his Force India cockpit from reserve Juncadella
09:31
This is to allow teams to return to extra set of Hard tyres
09:30
All 22 drivers back in the pits as we pass the 30-minute mark
09:29
That's a rather serious issue at any circuit, let alone Monza
09:29
"I feel like I only have front braking," Magnussen reports
09:28
Replays show Maldonado locking up and going straight on at the second chicane
09:28
Just seven thousandths of a second separating them after those latest laps...
09:28
The Mercedes duo now move to the fore, with Hamilton just ahead of Rosberg
09:26
Button edges ahead of Magnussen with an improved time
09:27
Parabolica's new run-off is tested as Bottas locks up and takes to the tarmac
09:23
Magnussen has improved to 1:27.228 at the front of the field
09:22
Ericsson locks up and runs slightly wide at the first chicane
09:22
Ricciardo is reporting that his DRS isn't working
09:21
Massa and Rosberg now split the team-mates
09:20
Button makes it a McLaren 1-2 in the early stages
09:19
Plenty to learn for a rookie at a supremely fast circuit
09:19
He is also told to be less aggressive in terms of acceleration and braking
09:19
Merhi is told that he is pressing the DRS button too early
09:20
Magnussen is the first to break the 1m30s barrier (1:28.256)
09:20
Vergne takes over at the front with a time of 1:30.511
09:17
Kvyat, Merhi and Magnussen have joined Magnussen in posting times
09:17
Replays show Chilton getting out of shape at the exit of Ascari
09:15
We're already seeing straight line speeds approaching 200mph
09:15
Chilton posts the first time of the weekend, lapping in 1:33.435
09:14
09:13
Chilton and Merhi have the track to themselves at the moment
09:08
Perhaps the German is testing grip levels in the event of drifting wide?
09:07
Rosberg puts a couple of wheels over the new Parabolica run-off area
09:06
Teams are running special low-downforce packages here
09:06
Plenty of flow-vis paint at the rear of the Force India
09:05
09:04
Hamilton completes a practice start before heading out for the first time
09:03
Juncadella, importantly, will only be in for the first half an hour, following which teams must hand the extra set of Prime tyres back to supplier Pirelli
09:10
All four stand-in drivers are in the group of early runners
09:01
We don't expect to see the Medium rubber until this afternoon's session
09:01
Plenty of cars heading out immediately, all on the Hard compound tyre
09:01
The green light comes on at the end of the pit lane and FP1 begins!
09:09
The regular drivers will be back in their cars a little later on
09:10
Giedo van der Garde is in for Adrian Sutil at Sauber, Daniel Juncadella for Sergio Perez at Force India, Charles Pic for Romain Grosjean at Lotus and Roberto Merhi – making his Formula 1 debut – for Kamui Kobayashi at Caterham
08:55
We're just a few minutes away from FP1, with a few driver changes to mention
12:54
And we can be found on Twitter via the @GPUpdate handle
08:54
There is an interactive Facebook panel on the right-hand side of this page
08:54
Remember, you can join in the discussion throughout the session
08:53
There has also been a change at Parabolica, with tarmac run-off replacing gravel:
12:54
The second comes along the main straight, with detection before Parabolica
08:52
The first sits between Turns 7 and 8, with the detection just before Lesmo 2
08:51
In terms of DRS, there are two zones in place, controlled by separate detection points
08:51
As a reminder, Pirelli is supplying its Medium and Hard tyres this weekend
08:50
The pair appear to have moved on, with Rosberg apologising for his actions, but we're set for a fascinating weekend on and off the track...
08:49
That was the clash between Mercedes duo Nico Rosberg and Lewis Hamilton
08:49
We arrive at Monza on the back of the season's most controversial moment
08:49
It's a pleasant day at "Il tempio della velocita" (the temple of speed), albeit slightly cloudy
08:47
Hello and welcome to live coverage of opening practice for the Italian Grand Prix!