Sebastian Vettel has launched a furious attack against Pirelli after he suffered a tyre failure on the penultimate lap of Sunday's Belgian Grand Prix.
Vettel, the four-time world champion, was among a number of drivers to express their concerns with the Italian manufacturer after Nico Rosberg was fortunate to emerge unscathed from his 190mph tyre blowout on Friday.
The Ferrari driver was on the 28th lap of a surprising one-stop strategy at Spa-Francorchamps when he suffered the puncture.
"Things like that are not allowed to happen, full stop," said Vettel. "If it happens 200 metres earlier, I am not standing here now. I don't know what else needs to happen."
Speaking to the BBC, Vettel, in his 150th race, added: "I think it is a sort of thing that keeps going around and no-one mentions. It it is unacceptable.
"If Nico tells us he did not go off the track, he didn't go off the track, why should he lie to us? It is the same with me, I didn't go off the track - it is out of the blue the tyre exploded - and as I said if this happens earlier than I am f****d. It is not acceptable."
Vettel started in ninth on Sunday but after switching to a one-stop strategy, was battling for the final spot on the podium with the Lotus of Romain Grosjean when he suffered his tyre failure.
Following Rosberg's high-profile blowout in practice here on Friday, Pirelli suggested the damage to the German's tyre was caused by debris or a kerb and insisted they were happy with their product.
Pirelli chief Paul Hembery said: "I am not going to criticise Sebastian. It is a hot moment and I don't want to enter into a war of words over that - it is pointless for everybody."
In reference to Vettel's strategy, Hembery added: "We were concerned when we saw the number of laps that were going to be done. Nobody really suggested they were going to do a one-stop race and it was a bit of a surprise - if anything people were talking about doing three stops rather than two.
"Nineteen car sets out on a two-three stop strategy and there is a reason for that - they were following a different approach - if the race was one lap less everyone would have said what a genius approach because they would have been in the podium."
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