KVYAT UNDER FIRE: Ferrari driver Sebastian Vettel (centre), is pushed by Red Bull's Daniil Kvyat (front left) at the 2016 Russian GP at the Sochi Autodrom racetrack. Image: AP / Pavel Golovkin
Sochi - 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 its ambitions at the 2016 Russian Grand Prix.
The Russian racer rammed into the Ferrari of former Red Bull hero, four-time world champion Sebastian Vettel, twice on the opening lap of an eventful race won by Mercedes driver Nico Rosberg.
Vettel and two other drivers were forced to retire on the opening lap and both Kvyat and his Red Bull team mate Daniel Ricciardo's cars suffered severe damage.
Read: Russian GP - As it happened
The team continued but finished out of the points behind victorious Nico Rosberg who won ahead of his Mercedes team mate defending champion Lewis Hamilton. Rosberg now leads Hamilton by 43 points in the title race.
It was Rosberg's fourth straight win this season and seventh in succession, including three in 2015, 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' for his reckless moves.
After the race, Red Bull's motorsport advisor Helmut Marko, the hard-headed consultant who oversees the team for Red Bull owner Dieter Mateschitz, made clear his displeasure.
He said: "Let's put it this way. 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 2016 Chinese Grand Prix two weeks earlier.
Marko added that, contrary to the collision in Shanghai where he felt Kvyat's aggression had been acceptable, he said: "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."
Although Kimi Raikkonen finished third for Ferrari, it was only a consolation to the team after the loss of Vettel in an atmosphere of rising pressure as they labour to keep pace with Mercedes.
Red Bull have also made clear they have ambitions to close the gap and revive their former glories and have hinted that driver changes are likely.
The huge potential of Dutch teenager Max Verstappen and his team mate Carlos Sainz at the Red Bull 'sister' and 'feeder' team Toro Rosso are under close observation with a view to one of them stepping up - as both Ricciardo and Kvyat did.
The competitive tensions between all four drivers are intense and have become so strong at Toro Rosso that the team recruited the vastly-experienced former Manor team boss John Booth to assist in their management as a consultant director of racing.
Verstappen, 18, has been linked with Ferrari while Sainz, 21, is also regarded as a 'hot shoe' with a big future ahead of him.
Both are the sons of former racing drivers - Verstappen's father Jos raced in F1 while Sainz's father Carlos was a two-time world champion rally driver.