Formula One bosses were dealt a hugely embarrassing blow after first practice for the Las Vegas Grand Prix was cancelled.

The running under the lights of the Las Vegas strip was suspended when Carlos Sainz broke down in his Ferrari with just eight minutes on the clock.

And then 11 minutes later, at 8:49pm local time, it was announced the session would not be resumed – it emerged Sainz’s failure was caused by a loose manhole cover.

Television replays showed Sainz being jolted in his cockpit as the cover struck the underneath of his machine as he approached 200mph on the Las Vegas Boulevard.

Esteban Ocon also smashed into the debris – against the backdrop of Caesars Palace, Bellagio and Venetian hotels – causing significant damage to his Alpine.

Ferrari described the damage to Sainz’s car as “extensive”, while Alpine said Ocon will require a new chassis.

Ferrari team principal Frederic Masseur said: “He (Sainz) said I hit something on track, and he didn’t know what it was. It is just unacceptable for F1.”

An FIA spokesperson said: “Following an inspection, a concrete frame around a manhole cover has failed.

“We now need to check all of the other manhole covers which will take some time.

“We will be discussing with the local circuit engineering team about the length of time it will take to resolve and we will update with any resultant changes to the schedule.”

Second practice is due to begin at midnight local time (8:00 GMT). But there are significant doubts if there will be any running today at the 3.8-mile temporary street venue.

Speaking on Sky Sports, the highly-respected TV pundit and former driver Martin Brundle, said: “That’s it for today from my experience.

“Fixing that and checking everything else, letting it dry and making sure it won’t come out again is going to be a big job.

“Theoretically, they are going to re-open the Strip (for public use) after the F1 practice sessions. That is a very, very big issue if there are other areas like that around the track.”

The problems of loose manhole covers at street venues is not a new one in the sport.

Jenson Button struck a dislodged drain in practice in Monaco in 2016, while George Russell also ran over a drain cover in Azerbaijan four years ago.

Red Bull team principal Christian Horner said on Sky: “It’s a shame that we are not allowed on track.

“They are going to have to check all the manhole covers and weld them or do something because you can see the damage that it has done.

“It’s a great shame for the fans but safety comes first. We have got to get this right and hopefully it won’t take too long.”

The cancellation of opening practice comes 24 hours after triple world champion criticised the staging of the Las Vegas Grand Prix – the first here in four decades and maiden event on the strip – as “99 per cent show, and one per cent sport”.

Formula One bosses were dealt a hugely embarrassing blow after first practice for the Las Vegas Grand Prix was cancelled.

The running under the lights of the Las Vegas strip was initially suspended when Carlos Sainz broke down in his Ferrari with just eight minutes on the clock.

And then 11 minutes later at 8:49pm local time, it was announced the session would not be resumed after it emerged Esteban Ocon smashed into a drain cover.

An FIA spokesperson said: “Following inspection, it was the concrete frame around a manhole cover that has failed.

“We now need to check all of the other manhole covers which will take some time.

“We will be discussing with the local circuit engineering team about the length of time it will take to resolve and will update with any resultant changes to the schedule.”

Esteban Ocon has demanded Formula One’s governing body takes action after he said a “big disaster” was narrowly avoided in Sunday’s Azerbaijan Grand Prix.

Ocon, who drives for Alpine, came within inches of colliding with a cluster of individuals when he stopped for tyres on the final lap of the race.

On-board video footage from the French driver’s car showed dozens of people – who had gathered at the entrance to the pit-lane with the race still ongoing – scrambling to get out of his way.

“It could have been a big, big one today,” said Ocon. “I got close to them and I had to back off.

“I would not have liked to have been in there with the speed I was arriving. If I missed the braking point it could have been a big disaster. It was crazy.”

A representative from the FIA was summoned to see the race stewards on Sunday evening, with the sporting federation itself confirming it had launched an investigation into the near-miss.

Ocon continued: “I don’t understand why they are starting to prep the podium while we are still racing. There is one lap to go. I am arriving at 300kph (185mph) and I am braking very late.

“It is clear. We need to wait until all the cars have passed the chequered flag and ensure there is no racing in the pit lane. It is not a mystery. It is very simple.

“We don’t want to see this happening again. I am sure the FIA has seen it and they will take action. And if they don’t take action, I will go and speak to them.”

Fernando Alonso says he has lost "about 60" points due to mechanical issues across the Formula One season, describing Alpine's problems as "unacceptable" after retiring from the Singapore Grand Prix.

Alpine suffered their first double retirement of the 2022 campaign on Sunday, as suspected power unit issues ended the races of Alonso and team-mate Esteban Ocon.

Alonso was defending sixth place against the advances of Max Verstappen when the problem first struck, forcing him out of the race after 21 laps. Ocon, meanwhile, followed six laps later.

The issue overshadowed a landmark day for Alonso, who made a record 351st grand prix start, and the Spaniard made his frustration known after the race.

"Again eight or 10 points are gone and there were already about 50 points lost this year," Alonso said. "So there are already about 60, which is unacceptable.

"I am very upset because there had been a good performance in this race on my part throughout the weekend.

"Yes, it was the two [Alpine] cars, but one was behind and out of the points, and it was not as serious as in my case for the points.

"This year, this changes everything. If you gave me 60 more points in the standings and reduced those of the rest – because they are points that the others would not have added – my championship would seem much better, even compared to Mercedes."

Alonso has retired from four of his 17 races in 2022, including back-to-back outings at Monza and Singapore. 

The two-time world champion, who is set to replace the retiring Sebastian Vettel at Aston Martin next year, sits ninth in the drivers' championship standings, seven points behind team-mate Ocon.

Alpine team principal Otmar Szafnauer believes the team's Renault power unit is within 10 brake horsepower of the best on the grid.

A strong start to the 2022 Formula One season has seen Alpine score points in each of the first three races.

Esteban Ocon has finished in the points in every race, though Fernando Alonso has failed to do so in each of the last two events, suffering misfortune in Saudi Arabia and Australia.

After struggling with engine performance last season, the team at Renault's Viry-Chatillon powertrain division concentrated on delivering a major upgrade for 2022.

Szafnauer has been impressed with the work they have done, the strength of this year's engine carrying extra significance because of a development freeze in place until the end of 2025.

"We think we've made a step on the power unit," Szafnauer said. "And we're within probably 10bhp of the best, and somewhere in the middle.

"I think Viry have done a brilliant job. And it's up to us now to keep developing the car.

"So that [the development freeze] allows us to work closer with our power unit team to make some improvements that we might be able to make with architecture changes on the chassis.

"Some other things that are still free to us. But also to now focus with what we have to improve on the chassis for the future."

Alonso was forced to retire in Saudi Arabia after a water pump failure led his engine to overheat, with Alpine unable to save that unit.

He was on a lap that may have put him in contention for pole in Melbourne, only for an oil pressure drop to force his engine to shut down in Q3.

The two-time world champion was last among the 17 drivers to finish the race, having seen several strategy calls backfire.

"It was O-ring on an oil seal," said Szafnauer of Alonso's qualifying failure. "The O-ring fretted, the oil leaked out.

"We have a fail-safe mode to try to save the engine, so when you see a drop in oil pressure, the fail-safe mode kicked in. And that's what happened. So the fix was an O-ring change."

F1 returns to action in the Emilia Romagna Grand Prix this weekend at Imola, where Ocon and Alonso finished ninth and 10th respectively last year.

Mercedes will learn from a costly mistake at the Hungarian Grand Prix according to Lewis Hamilton, who will have to wait a while longer to win his 100th Formula One race.

In a thrilling race on Sunday, Hamilton – who is on 99 career victories – had to charge up through the field just to claim a podium finish at a track where he has won on eight previous occasions.

Hamilton started in pole position, yet a crash at Turn One caused by his team-mate Valtteri Bottas, who has been handed a five-place grid penalty for the next event in the season, resulted in the need for the red flag.

Max Verstappen, Hamilton's championship rival, was involved, though the Red Bull driver managed to continue – albeit in a heavily patched up car.

Five other drivers, including Bottas, were not so fortunate, but upon the restart, Mercedes made an error when they advised Hamilton more rain was scheduled to arrive at the Hungaroring. 

However, the skies had cleared and the track had already dried up. With every other remaining driver electing to switch to dry tyres, Hamilton was left as the only car on the starting grid.

Mercedes realised the situation quickly but, by the time Hamilton had pitted, he was stuck last in 14th place, forcing him to battle his way back to secure a quite remarkable third place, behind maiden F1 race winner Esteban Ocon and veteran campaigner Sebastian Vettel.

"Today was definitely tough, we always make it difficult for ourselves," said Hamilton, who looked visibly exhausted on the podium.

"It's crazy to think we were the only ones on the grid at the start, but these things happen and we learn from them. I gave it everything, and I had nothing left at the end.

"I was telling the team how the track was through the formation lap, but they said rain was coming when I got back in the car, so I thought they had other information. I then saw everyone diving in [to the pits].

"We came in this weekend and didn't know how it was going to go and considering the circumstances today, I'll take it."

Hamilton and Mercedes at least had a better race than Red Bull. Sergio Perez was one of the drivers to crash out, along with Bottas, Charles Leclerc, Lance Stroll and Lando Norris, while Verstappen just scraped into the points in 10th.

It means Hamilton now holds a six-point lead over Verstappen at the top of the drivers' standings, while Mercedes also top the constructors' championship heading into an extended mid-season break, with the next race – in Belgium – scheduled for August 29.

"Again, taken out by a Mercedes, it's not what you want. From then on, I was missing the whole side of my car, the floor was damaged as well, it was almost impossible to drive to be honest. I still tried my best and I scored one point, it is at least something, but of course not what you want," Verstappen told Sky Sports.

"No, it's not [a reset]. These moments, they're just disappointing but I know that when we go again after the break I will be there again. I hope my car is going to be competitive, we'll find out.

"It's a lot of freak moments at the moment that have cost us a lot of points. We will never give up, we have to focus on ourselves, we'll keep pushing and see where we end up."

Ocon, meanwhile, was overjoyed to seal his first ever F1 race triumph. The 24-year-old Frenchman secured Alpine's maiden victory under its new name, and its first as a team since Kimi Raikkonen won the 2013 Australian Grand Prix.

"What a moment," Ocon said. "We've had some difficult moments this season, but we are back where we belong.

"Sebastian put me under big pressure but we managed to keep him off, so it's a great moment."

Lewis Hamilton was denied a 100th Formula One race win but charged up from last to finish on the podium in a dramatic Hungarian Grand Prix, leapfrogging championship leader Max Verstappen in the process.

There was chaos from the off at the Hungaroring, where Esteban Ocon triumphed to hand Alpine an unlikely victory.

Like two weeks ago at Silverstone, the race was suspended after a collision at Turn One. Unlike on that occasion, Hamilton – who started in pole has he hunted a record ninth win in Hungary – was not involved, but Verstappen was.

Hamilton's Mercedes team-mate Valtteri Bottas was at fault, with five drivers forced out in total. 

Verstappen survived, albeit with a damaged car, and an apparent mistake from Mercedes after the restart sent Hamilton down from first to last.

Yet the seven-time world champion battled back, leaving Verstappen – who just scraped into the points – well in his wake as he took top spot in the championship standings while Ocon celebrated a maiden F1 success.

After the furore at Silverstone, the pre-race build-up was dominated by talk of possible danger at Turn One, and so it came as little surprise when, in wet and greasy conditions, Bottas failed to judge the timing of when to brake.

Bottas, who was given a five-place grid penalty for the Belgian Grand Prix, Verstappen's team-mate Sergio Perez, Lance Stroll and Charles Leclerc were all out by the time the red flag was raised, with Lando Norris, on a 15-race streak of finishing in the points, also unable to continue.

There was more drama to come. After the restart formation lap, only Hamilton started from the grid, with all other 14 drivers choosing to switch tyres as the rain eased off and the track dried.

By the time he had pitted, Hamilton had fallen to last.

The 36-year-old recovered, getting the better of Antonio Giovinazzi before, on the 21st lap, undercutting Verstappen, who was held up by Daniel Ricciardo's sluggish exit from the pit lane.

Hamilton continued his charge up the field, and at one stage it seemed like an incredible victory could be on the cards.

However, his push was held up by Fernando Alonso, who expertly held his own in a thrilling 10-lap tussle.

A frustrated Hamilton finally got beyond his former McLaren team-mate on lap 65, with Carlos Sainz's efforts to hold onto third proving fruitless.

Hamilton's remarkable run stopped there and, though a milestone success on the track where he won his first Mercedes triumph in 2013 alluded him, he has the championship lead.

Alonso's defence ultimately ensured victory for Alpine team-mate Ocon, with Sebastian Vettel holding off Hamilton to seal a second podium finish of the season.

IN THE POINTS

1. Esteban Ocon (Alpine)
2. Sebastian Vettel (Aston Martin) +1.918 seconds
3. Lewis Hamilton (Mercedes) +2.540s
4. Carlos Sainz (Ferrari) +15.018s
5. Fernando Alonso (Alpine) +15.651s
6. Pierre Gasly (AlphaTauri) +1:03.614s
7. Yuki Tsunoda (AlphaTauri) +1:15.803s
8. Nicholas Latifi (Williams) +1:17.910s
9. George Russell (Williams) +1:19.094s
10. Max Verstappen (Red Bull) +1:20.244s 

CHAMPIONSHIP STANDINGS

Drivers

1. Lewis Hamilton (Mercedes) – 192
2. Max Verstappen (Red Bull) – 186
3. Lando Norris (McLaren) – 113
4. Valtteri Bottas (Mercedes) – 108
5. Sergio Perez (Red Bull) – 104

Constructors

1. Mercedes – 300
2. Red Bull – 290
3. McLaren – 163
4. Ferrari – 160
5. Alpine – 75

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