The session will now be extended by a further 15 minutes as a result of the latest delay. If you're struggling to keep up, we're back up to 35 minutes on the clock.
Third time lucky, anyone?
The session will resume in two minutes, at 13:13 local time, 18:13BST. The field scrambles out of the garages to queue at the end of the pit lane.
Still no word on when the session will resume, although the track has been declared "clear" in the sector.
As we did in the previous red flag, let's run down the top 10.
- Piastri
- Hamilton
- Russell
- Antonelli
- Verstappen
- Hadjar
- Leclerc
- Norris
- Albon
- Sainz
As we said before, this is a sad but not uncommon occurrence in Montreal.
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Confirmation of the latest edition of Groundhog Day in Montreal. Albon and Williams have paid a heavy price for that one.
Early rumours are that Albon's crash came as he attempted to avoid some local wildlife. We said the Groundhogs get involved fairly often here!
A huge smash for Albon on the exit of Turn Seven. The left-hand side of his Williams has been destroyed in that one.
Ocon is less than pleased with his Haas, reporting that it feels like his car is smashing the ground constantly. As per his words, the feel is "awful".
But now it's a Mercedes 1-2. Using hard tyres, Russell leads the way by 0.337s with a 1m15.414s effort.
Here we go, Russell moves to the top...but wait, Piastri instantly displaces him with a 1m15.806s.
But here come the Mercedes drivers up the time sheets, with Russell and Antonelli now third and fourth. Alonso, astonishingly for Aston Martin, is fifth!
Another moment for Piastri at the final chicane. Given that's happened a few times now, that suggests a brake balance issue.
As the session resumes, the track remains fairly quiet. Among those on the track are Piastri and the Mercedes drivers.
To make up for lost time due to the red flag, the session will be extended by four minutes.
Obviously, these early times are hardly representative - for the most part - something that Norris will take solace from down in P17.
With no action on the track, now seems a good moment to run down the early positions.
- Verstappen
- Hadjar
- Piastri
- Lawson
- Antonelli
- Sainz
- Russell
- Albon
- Leclerc
- Hamilton
There it is. The red flag is shown so Lawson's car can be recovered.
Onboard replays show that Lawson remained in the same gear as his car sounded less than healthy. Hydraulics problem likely.
A moment for Lawson at Turn 4. He reports that he's lost power steering, and his car is stranded. That will almost certainly need a red flag to be recovered. He is currently fourth fastest.
A big one there for Verstappen, as he runs onto the narrow grass bank separating the track from the concrete wall at Turn 7. Grass and dirt fly up as the four-time champion gets away with one.
A huge lockup from Norris at the final chicane, as he slides into the runoff. In the race, he would need to return to the track around a bollard. Piastri follows his team-mate a few moments later.
Disaster for Alpine and Colapinto, as he loses throttle in the back straight on his first lap. He rolls into the pit, with just enough momentum to carry him to the waiting mechanics. With upgrades to evaluate, this is beyond bad news.
Sergio Perez puts in the first time of the weekend, but he's quickly bettered by drivers, including Oscar Piastri, with a 1:19.489s.

