Summary

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Live Reporting

Lorraine McKenna

  1. Update on Alonso issue

    Jennie Gow
    F1 pit-lane reporter in Mexico City

    I've spoken to the team it is a suspected water pressure issue linked to the ERS system so they had to stop the car.

    The car is so far away and inaccessible for the team they will have to sit and wait [until the end of the session to recover it].

  2. Marc Priestley
    Former F1 mechanic on Radio 5 Live in Mexico City

    Both Ferraris have been the class of the field and it has continued through this first session.

  3. Out in Q1

    17. Alex Albon (Williams)

    18. Fernando Alonso (Aston Martin)

    19. Ryo Hirakawa (Haas)

    20. Lance Stroll (Aston Martin)

    21. Sergio Perez (Cadillac)

    22. Valtteri Bottas (Cadillac)

  4. Haas substitute Ryo Hirakawa can't do enough to get out of the first part of qualifying, but as the Japanese driver has been thrown in at the deep end this weekend, I think that'll be OK.

    Carlos Sainz in 16th as Q1 ends, but the Spaniard should be safe, as it's his team-mate in the drop zone who needs to improve.

    Can Alex Albon do it? No.

    Sainz goes through in P16, Albon is knocked out in P17.

  5. Fernando Alonso is already out of this session with an issue, so Alex Albon, Ryo Hirakawa, Lance Stroll and the two Cadillacs are trying to save the skin.

    George Russell is ninth at the moment but the Mercedes man gets a clean lap down and goes fourth on the timesheets.

  6. 'A clean lap could be the fastest'

    Marc Priestley
    Former F1 mechanic on Radio 5 Live in Mexico City

    We said earlier we thought qualifying was going to be who makes the fewest mistakes and that's how it looks to be playing out here - if you get a clean lap you could well get the fastest lap.

  7. Hamilton to the top

    That's a good lap by Lewis Hamilton. The seven-time world champion jumps ahead of his Ferrari team-mate Charles Leclerc by 0.191 seconds with a time of 1:17.341.

  8. Drop zone

    17. Alex Albon

    18. Fernando Alonso

    19. Ryo Hirakawa

    20. Lance Stroll

    21. Sergio Perez

    22. Valtteri Bottas

  9. Kimi Antonelli opening shot in Q1 is good enough for third place, pushing Max Verstappen down to fourth on the board, but the Italian did have a scrappy middle sector. But the aim of the game is to just get through to Q2 in the session, so it's the bottom six drivers who need up their game.

  10. Leclerc goes quickest

    Pierre Gasly puts his Alpine top of the timesheets with a 1:18.194, but that's beaten by the McLaren of Lando Norris and the Ferrari of Charles Leclerc.

    Leclerc is leading the world champion by 0.201 seconds, as Max Verstappen gets a flyer in and goes third.

  11. I mean, any Mexican-themed object you want to grasp onto during this session, feel free.

    The cars are back out on track in Mexico, and Kimi Antonelli, Charles Leclerc, Max Verstappen and George Russell are all yet ti set a time in Q1.

    Sergio Perez does have a marker to his name in 12th place, but the Cadillac suffers a big lock-up as he tries to chance another lap time, which has now been deleted for track limits.

  12. Have your say by using the 'get involved' button

    I thought if we were going to hold onto any item associated with Mexico it would be a sombrero!

    James, Cumbria

  13. The Aston Martin has been picked up by roadside assistance and moved to a safe location. Meanwhile, two-time world champion Fernando Alonso has now been noted by race control for 'general safety'. We'll have to wait for the replays to confirm what exactly that's for.

    The session is green again.

  14. Marc Priestley
    Former F1 mechanic on Radio 5 Live in Mexico City

    Alonso doesn't know what was wrong, he wasn't feeling anything in the car but they obviously saw something in the data that meant they did not want to go any further and cause any damage.

  15. That will be a blow for Fernando Alonso, who was as high as seventh in the opening practice session in Mexico.

    Some of the big names are yet to bank a lap in Q3, and there are still three minutes until we get going again.

  16. 'Out of his car in digust'

    Jennie Gow
    F1 pit-lane reporter in Mexico City

    I am right at the top of the stadium section and I have eyes on Alonso. He has climbed out his car in disgust. We knew he could go well round here but he's not going to get the chance.

  17. red flag

    Alonso comes to a stop

    Fernando Alonso was on the team radio to ask why he was stopping - he didn't have any damage? His engineer was insistent he had to pull over to a safe spot off the track in the final sector.

  18. red flag

    Aaron, I'm a big child, so the first part of your message made me laugh.

    The Williams of Carlos Sainz slot in behind Fernando Alonso, more than three tenths off his fellow Spaniard. But now Aston Martin have a message for the two-time world champion. "Stop the car on track," he's told.

    The red flag is out, and now Alonso is climbing safely out of the car. Lewis Hamilton had just gone quickest, with McLaren's Oscar Piastri dropping Alonso down to third.

  19. Have your say by using the 'get involved' button

    Hold on to your fajita that tarmac is going to grab that rubber and eatcha

    Aaron, Liverpool

  20. Harry Benjamin
    BBC F1 Commentator in Mexico City

    It is hot, hotter than it has been all weekend.