2014 Bahrain Formula 1 Grand Prix - First free practice

13:32
We will be back for FP2, taking place under floodlights, at 6pm local time (GMT +3)
13:32
Stay tuned to the website for a report, full results plus the latest news and photos
13:32
As his car is wheeled back to the garage, cars flood back in to the pits
13:31
Perez just missed out on heading back out in the Force India
13:31
Alonso, after his tyre drama, is the outfit's closest challenger in third
13:30
Hamilton remains on top for Mercedes, ahead of team-mate Rosberg
13:30
The chequered flag comes out, signalling the end of FP1
13:28
Teams and drivers are still getting to grips with energy recovery
13:28
"We are in a race energy mode. We may be down at the end of the straights," is the response
13:27
"I keep running out of power," reports Chilton
13:26
13:26
But, as Pirelli states, different compounds were being used
13:26
Hamilton's 1.37.502 compares to Massa's 1:33.258 during pre-season testing
13:25
"Only loss to Nico is at Turn 8. He's braking a little bit later - higher apex speed," Hamilton is told over the radio
13:24
Rosberg locks up heavily into the first corner
13:23
That was a rapid response to Alonso's earlier pace-setting effort
13:22
Hamilton duly storms clear with a 1:37.502
13:21
Hamilton is on a quick lap in the sister Mercedes
13:20
Rosberg takes the top spot on 1:37.733
13:19
Hulkenberg improves to put his Force India second
13:18
Hamilton and Rosberg are back out for Mercedes
13:17
Raikkonen misses his braking point for the first corner and runs straight on
13:14
Moments later, team-mate Alonso goes quickest on a 1:37.953
13:14
Raikkonen moves up to fifth in his Ferrari
13:13
Replays show Grosjean locking up and running wide at Turn 4
13:10
Raikkonen is back out after checks in the Ferrari garage
13:08
That leaves team-mate Grosjean and the McLaren drivers out on track
13:08
Maldonado has pitted after his latest run
13:05
13:05
Grosjean and Maldonado still pounding around for Lotus
13:02
Mechanics are looking at the floor of Raikkonen's car after the Finn ran wide at Turn 4
13:02
We're into the final 30 minutes of FP1
13:02
Drivers could be choosing to save their engines in this opening session
13:01
The pace-setting Mercedes duo remain out of their cars
13:01
Massa up to 10th with his first timed lap of the day
12:59
Vettel goes eighth fastest for Red Bull
12:59
Massa is back out after a lengthy spell in the Williams garage
12:55
Button went fastest of all in the final sector
12:55
Button up to fourth, with team-mate Magnussen slotting into fifth
12:54
12:55
Raikkonen heads back out, with the correct tyres fitted to his car
12:52
Could that lead to a fine or penalty?
12:52
Unbelievable. Ferrari has fitted Alonso's car with one Soft and three Medium tyres. What a bizarre situation!
12:50
Mechanics are quickly on the scene to wheel him back
12:52
Alonso has stopped in the middle of the pit lane
12:49
Vettel, with another new helmet design, gets strapped back into his cockpit
12:49
Magnussen heads back out after his earlier brake issues
12:49
Kvyat moves up to fourth for Toro Rosso
12:47
Replays show a mechanic wiping his seat
12:46
It looks as though Button has had a spillage in his McLaren
12:43
Replays show Frijns running wildly over the exit kerbs at the final corner
12:43
Chilton, Frijns, Grosjean and van der Garde are the only drivers on track at present
12:40
Maldonado is sliding all over the track in his Lotus
12:36
It's a similar situation at McLaren, with Ron Dennis watching on
12:36
Lots of work being carried out in the Mercedes garage
12:35
12:32
Ericsson and Massa are the only drivers yet to post a time, as we pass the half-hour mark
12:31
After a brief spell of silence, Maldonado takes the Lotus back out
12:30
Another mistake for Vergne, this time at Turn 13
12:29
He has been reunited with former race engineer Rob Smedley, who is attending his first event for the team this weekend
12:28
Massa steps out of his Williams and walks to the rear of the garage
12:27
Ricciardo's Red Bull is running with lots of flow-vis paint at the rear
12:26
Turn 1 has been renamed after Michael Schumacher for 2014
12:24
Replays show Vergne locking up heavily into the first corner
12:24
Hulkenberg is up to third, just ahead of Raikkonen
12:24
"I have no rear-end at all," says Grosjean over the radio
12:23
Hamilton usurps his team-mate with a 1:38.395
12:23
Rosberg goes fastest on 1:38.508
12:22
Hamilton and Rosberg are back out for Mercedes and gradually improving
12:21
Button goes third, with Alonso slotting into fourth
12:20
Perez now splits the STR duo in his Force India
12:19
Vergne edges out Nasr to make it a Toro Rosso one-two
12:19
The Brazilian is conducting aero runs at the moment
12:18
Williams reserve Nasr, taking part in his first Formula 1 session, is holding second
12:18
Kvyat moves to the front with a 1:39.453
12:16
12:17
Although he is not taking part in FP1, Kobayashi is helping out at Caterham...
12:15
Frijns clocks the first time of the session, lapping in 1:45.483
12:15
The new brake-by-wire systems should be pushed to the limit this weekend
12:14
He pits to allow his mechanics to investigate
12:13
The Dane now confirms that there is a problem with his brakes, explaining that "the pedal went long"
12:11
Magnussen says his car is pulling to the left under braking
12:11
Rosberg has stepped out of his Mercedes, with mechanics now taking a look at the car
12:08
Button and Magnussen head out for the first time today
12:07
Plenty of flow-vis paint on Perez's Force India
12:05
Just the McLarens of Button and Magnussen yet to appear
12:05
"I've lost drive at the moment. I don't have much power," reports Rosberg
12:03
12:03
Remember, drivers have to hand back the extra set of Prime tyres after the opening 30 minutes of the session
12:02
Plenty of cars following for their install laps
12:01
Ericsson and Vergne are the first drivers out
12:00
The green light switches on at the end of the pit lane. FP1 is go!
11:55
11:55
The German is "making progress" and showing "conscious moments" as doctors continue their efforts to bring him out of his medically induced coma
11:55
There has been some positive news regarding Michael Schumacher's condition this morning
11:53
Giedo van der Garde is replacing Esteban Gutierrez at Sauber, Felipe Nasr takes the place of Valtteri Bottas at Williams, and Robin Frijns is taking over Kamui Kobayashi's seat at Caterham
11:53
For the first session of the weekend, three teams will be running reserve drivers
11:52
There are also two DRS zones in place; the first comes along the back straight, with the second situated on the main straight
11:51
Tyre supplier Pirelli has brought its Soft (Yellow) and Medium (White) compounds to Sakhir
11:51
FP1 will commence in daylight, with the floodlights switching on for the first time in FP2
11:50
Just a few days have separated Lewis Hamilton's triumph in Malaysia and this weekend's Bahrain event, which will take place at night for the first time
11:49
Hello and welcome to live text coverage of opening free practice for the Bahrain Grand Prix!