SOCHI (AFP) - Daniil Kvyat's future with Red Bull was cast into doubt on Monday when the team said they would summon him for talks on his role in the multiple-collision that wrecked their ambitions in Sunday's Russian Grand Prix.
The Russian racer rammed into the Ferrari of former Red Bull hero and four-time world champion Sebastian Vettel twice on the opening lap.
The eventful race was won by Nico Rosberg of Mercedes.
Vettel and two other drivers were forced to retire on the opening lap and both Kvyat and team-mate Daniel Ricciardo's cars suffered severe damage. They continued, but finished out of the points.
It was Rosberg's fourth straight win this season , and was a disastrous day for the chasing pack including the Ferrari and Red Bull teams.
Red Bull boss Christian Horner apologised to Vettel and Ferrari for Kvyat's impetuous driving in Turns Two and Three and the Russian afterwards apologised to Vettel and "everyone involved".
After the race, Red Bull's motorsport advisor Austrian Helmut Marko made clear his displeasure.
"Let's put it this way," he said. "Kvyat was over-motivated. Braking too late once and hitting another car would be acceptable in front of his home crowd, but this doesn't apply for the second crash.
"It's a pity because he not only ruined Vettel's race - and Ricciardo's race - but also his own race. He had to do an extra stop. It was a day of disaster for Red Bull."
It was the second successive race in which Kvyat had crashed into Vettel, having angered the German by careering into his car the start of the Chinese Grand Prix two weeks ealier.
Marko added: "This time, in contrast to Shanghai, I understand him (Vettel) completely - he is right to be so angry."
He said the team did not want to discuss the matter in detail in Sochi because emotions were too high. Ricciardo had demanded an apology from Kvyat after the race and the Russian said he spoke to Vettel by phone.
"Let's cool down a bit," said Marko. "During the week, we will talk about this."