Postpublished at 14:50 British Summer Time 27 May 2018
Lap 29/78
Sebastian Vettel now only 0.6 seconds behind Daniel Ricciardo and in range.
Ricciardo wins despite loss of power; Red Bull team-mate Verstappen ninth after starting at back
Vettel and Hamilton second and third
Hamilton now leads championship by 14 points from Vettel
Leclerc suffers brake failure and slams into back of Hartley on lap 72
Alonso retires with gearbox issue
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Michael Emons
Lap 29/78
Sebastian Vettel now only 0.6 seconds behind Daniel Ricciardo and in range.
Lap 29/78
Problems for both Red Bulls at the same time.
Max Verstappen: "There's something wrong with the downshift from third to second. I'm getting a lot of rear locking. I almost went off."
Daniel Ricciardo: "Losing power."
Jolyon Palmer
Former Renault driver on BBC Radio 5 live
This could play into Bottas' hands. He is able to push on those soft tyres, which is more durable and not falling apart compared to the ultrasofts everyone else is on.
What do you want / expect to see today?
RegularJon: This could be a really boring race now. Need Max to be up near the front to ruin someone’s race and make it interesting!
Alex Withington: Looks like the top teams are 2-stopping today, I can't see Ultrasofts lasting 50-55 laps. Could be fun if they try to though.
Lap 28/78
Sebastian Vettel is doing well to stay not too far off the lead, held by Daniel Ricciardo. There is only 1.4 seconds in it, so this one is not heading for the record books just yet. Pierre Gasly is sixth. But he has not stopped yet so won't be there for long.
Lap 27/78
Jolyon Palmer
Former Renault driver on BBC Radio 5 live
If Hamilton is struggling with the tyres, he has a long way to go. Are we getting into the realms of a two-stopper?
Lap 26/78
Lewis Hamilton: "Yep, got that graining. I'm not even pushing."
Lap 26/78
Max Verstappen watch.
Tenth, from 20th. OK, he still has to pit, but that is a great effort. If only he had not decided to send his car into the wall on Saturday. If only.
Red Bull team radio to Daniel Ricciardo: "Looks like the only car that's pushing at the moment is Raikkonen."
Ricciardo asks: "How close to Hamilton?"
Lap 25/78
Jolyon Palmer
Former Renault driver on BBC Radio 5 live
The only car pushing right now is Kimi Raikkonen, what a desperate state of affairs. Come on, this is the Monaco Grand Prix!
Lap 25/78
A five-second time penalty coming to Brendon Hartley for speeding in the pitlane. He is 12th at the moment, aiming for only his second finish in the points this season.
Lap 24/78
Jolyon Palmer
Former Renault driver on BBC Radio 5 live
They have put on the ultrasofts and they are kind of just plodding round now. Everyone is managing the pace, managing the tyres. The worst thing for Ricciardo or Vettel is they push too hard and they have to pit again.
Lap 23/78
A few times this season we have thought things were done and dusted. Then we've had safety car, virtual safety car, punctures and all sorts of other fun and games. This race is not done and dusted just yet. We still have another 55 laps.
Anything could happen.
Lap 23/78
Lap 21/78
So, what's happening with Max Verstappen? He started 20th and is now up to 11th as Stoffel Vandoorne dives into the pits. Verstapppen has not come in yet, but is still, in theory at least, one place from the points.
Lap 20/78
Jolyon Palmer
Former Renault driver on BBC Radio 5 live
Those top positions it is surely game, set and match. They've done their stops and can go to the end of the race.
Lap 19/78
Daniel Ricciardo, as he has been all weekend, is flying. His lead is nearly three seconds. No pit stop drama either. This is already looking like his second win of the season after glory in China in race three.
Lap 17/78
Now Valtteri Bottas is into the pits, so that is all the top five starters with an early change of tyres.