2014 Spanish Formula 1 Grand Prix - First free practice

10:32
We will be back for second practice at 2pm local time (GMT +2)
10:31
Stay tuned to the website for a full report plus the latest news and photos
10:31
Maldonado, Perez and Massa complete the top ten
10:42
Rosberg is fifth after his ERS troubles, with Raikkonen and Magnussen next up
10:31
Button and Ricciardo remain second and third, just ahead of local hero Alonso
10:31
Hamilton improves to a 1:27.023 just before the finish
10:30
The chequered flag comes out to signal the end to FP1
10:29
Drivers are likely to be in the same boat this weekend
10:29
"Tyres are really taking a beating," Hamilton reports
10:27
Hamilton asks not to be spoken to during corners
10:26
That's almost eight tenths faster than Button
10:25
Hamilton returns to the front on 1:27.109
10:25
Only Vettel has fewer as a result of his earlier stoppage
10:25
The German has just nine laps to his name this morning
10:24
Rosberg watches on as his mechanics continue their work
10:22
He hit a little bit of traffic in the final sector
10:22
Hamilton sets two best sector times but backs off
10:21
Vettel not expected to run again this morning
10:20
Hamilton is back out and on a quick lap
10:17
Toro Rosso rookie Kvyat completes a practice start
10:15
10:13
That will need to be rectified when he returns to the pits
10:13
A winglet is flapping on Ricciardo's Red Bull
10:10
A front wing change for Alonso as Ferrari carries out back-to-back tests
10:03
Impressive reactions from the former Caterham racer
10:03
The Dutchman suffered a brake failure and narrowly avoided the barriers
10:03
Meanwhile, fellow Sauber man van der Garde has a scary moment at the first corner
10:03
The Sauber driver is lucky to avoid an accident
10:02
Replays show Sutil running wide at Turn 9
09:57
Mercedes reports a suspected ERS cooling issue on Rosberg's car
09:54
Button now goes P1 on a 1:27.891
09:53
He is told that this is to be expected
09:53
Button reports that he has picked up understeer
09:53
Ricciardo goes fastest with a 1:27.973
09:52
Button splits the Silver Arrows with his latest lap
09:50
Grosjean runs wide at Turn 10 but continues without major drama
09:50
Maldonado has moved up to third, but is over seven tenths adrift
09:50
The Mercedes duo still comfortably leading the way
09:49
Will he be out again this morning?
09:48
Vettel's car is finally back in the pit lane
09:47
Lots of work being carried out on Rosberg's car
09:46
Here's an example of the flow-vis paint we were talking about earlier:
09:45
A relatively quiet track as we hit the halfway mark
09:39
Grosjean and Maldonado head back out on track for Lotus
09:38
It remains to be seen if his car will make it back in time
09:38
Vettel is now on his way back to the pit lane on a scooter
09:36
09:35
Another lull as the teams prepare to move on to the next part of their programmes
09:31
Vettel is chatting to the marshals next to his stricken Red Bull
09:30
We've passed 30 minutes, meaning the extra set of tyres must be handed back
09:29
Hamilton sets two best sector times, but opts to pit at the end of the lap
09:28
As Vettel's car is cleared away, track conditions return to green
09:27
Not the best start to the reigning World Champion's weekend
09:26
He steps out and pushes it clear with the marshals
09:26
The German's car is stationary between Turns 5 and 6
09:27
In the sister RB10, Vettel has come to a halt
09:25
Ricciardo climbs to third in his Red Bull
09:24
Rosberg improves to make it a Mercedes 1-2
09:24
Hamilton jumps clear on 1:28.028
09:23
The Mercedes driver has started another attempt
09:23
Hamilton was on a quick lap but backed off
09:23
Alonso returns to P1 with a 1:28.770
09:21
Rosberg now goes quickest on 1:29.623
09:21
The Mexican pits to resolve the problem
09:21
Perez has to grab his left-hand mirror while driving, as it disconnects
09:20
He had a couple of lock-ups on that lap, but is still the first to break the 1m30s barrier
09:19
After a flurry of improvements, Alonso leads on 1:29.874
09:18
Maldonado moves to the front with a time of 1:34.069
09:16
Plenty of drivers leaving the pits again
09:15
Maldonado also heads out for another run
09:14
Magnussen breaks the silence in his McLaren
09:12
Hamilton has asked to switch back to his old set of mirrors over the radio
09:09
09:09
A lull in track activity after the early exploratory laps
09:08
Kvyat improves to 1:36.471, before pitting
09:06
All 22 drivers have now been out for an installation lap
09:06
Kvyat posts the first time of the session, clocking a 1:37.986
09:05
This will be a common sight, as teams bid to learn about their new parts
09:04
Lots of flow-vis paint on the rear of Raikkonen's Ferrari
09:03
Remember, teams have an extra set for the opening 30 minutes
09:03
All drivers on the Hard compound tyre at the moment
09:00
He is quickly followed by a string of cars
09:00
Ericsson is the first driver out for Caterham
09:01
The green light switches on and FP1 begins!
08:57
08:53
Esteban Gutierrez and Valtteri Bottas will return for the afternoon session
08:52
Giedo van der Garde is getting another run for Sauber, with Felipe Nasr in at Williams
08:52
This morning's first practice session will see two driver changes
08:49
The first comes along the back straight, with the second following on the main straight
08:50
There are also two DRS zones in place, as has become the norm
08:49
For reference, Pirelli has brought its Medium (White) and Hard (Orange) compound tyres to Spain
08:49
Teams have also brought plenty of upgrades to the track, so there will be plenty to evaluate
08:48
It means this weekend should give us a good indication of the pecking order moving forward
08:48
The Circuit de Barcelona-Catalunya is one the teams know well, from year upon year of testing
08:47
We've had the first four flyaway races, now it's time for Formula 1 to race in Europe once more
08:46
Hello and welcome to live coverage of opening practice for the Spanish Grand Prix!