Adrian Newey appears to rule out the possibility of Red Bull turning to Renault for engines in 2016, calling the pair's relationship 'pretty terminal' after the events of 2015.
Bernie Ecclestone thinks current manufacturers have too much power after seeing the Red Bull engine saga take another twist in Russia and has floated Cosworth as a potential solution.
Daniel Ricciardo missed out on an unexpected top six finish for Red Bull after retiring with a suspected suspension issue at the Russian Grand Prix.
Daniel Ricciardo labels Sochi surface 'strange' after struggling to switch on his tyres during qualifying for the Russian Grand Prix.
Christian Horner says it will be difficult for Red Bull to stick with Renault engines next year, but says all options are still open.
Once upon a time ... Kate Walker tells a story of fighting bulls and prancing horses that could not agree on how to divide power.
Daniel Ricciardo says Red Bull cannot rule out a deal to stick with Renault power units next year, but made clear he does not want his team to settle for inferior engines.
Sebastian Vettel says it was impossible to foresee Red Bull's current engine crisis before he left the team for Ferrari last season.
Red Bull's 2016 engine situation appears to have taken a turn for the worse over the Russian Grand Prix weekend, with reports surfacing that Ferrari is not willing to supply power units next seas
Max Verstappen says he is not afraid for his Formula One future despite Red Bull's threat to quit the sport.
Reigning world champion Lewis Hamilton cannot understand why Red Bull would consider quitting Formula One and has urged his rivals to put their heads down and work harder.
Daniel Ricciardo believes a year-old Ferrari engine next year would put Red Bull in better shape than it is with its up-to-date Renault this season.
Maurice Hamilton believes Red Bull owner Dietrich Mateschitz should take a leaf out of Ken Tyrrell's book and take defeat with a little more dignity.
Red Bull boss Christian Horner says outgoing engine supplier Renault will not be in a position to win until 2018 at the earliest.
Daniel Ricciardo does not fear being left without a drive next year, despite Red Bull's continued threats to quit the sport.
Young French driver replaces Sebastien Buemi and Antonio Felix da Costa as official stand-in for Red Bull drivers Daniel Ricciardo and Daniil Kvyat.
Bernie Ecclestone believes time is running out to keep Red Bull in Formula One and tells team owner Dietrich Mateschitz 'we do not want [you] to leave'.
Christian Horner says Red Bull is now in a critical situation as it approaches the end of September without an engine supply deal in place for 2016.
Daniil Kvyat will start from the pit lane at the Japanese Grand Prix after Red Bull had to build him a new car following his qualifying accident on Saturday.
Mercedes boss Toto Wolff says three car teams remain an option for Formula One if Red Bull follows through on its threat to quit the sport.
Daniil Kvyat takes full responsibility for scary crash at the end of Q3 in Suzuka after putting two wheels on the grass on the approach to the Hairpin.
Christian Horner says he is working hard to keep Red Bull in the sport, but admits his boss Dietrich Mateschitz is becoming increasingly disillusioned with Formula One.
Daniel Ricciardo thinks Red Bull can be in the top five at the Japanese Grand Prix if it utilises the hour-long FP3 to perfection after a rain-affected Friday of practice.
Daniil Kvyat has played down his Mercedes-beating pace during wet Friday practice for the Japanese Grand Prix.
Mercedes boss Toto Wolff says Ferrari and Red Bull has the team's complete attention at Japanese Grand Prix despite expectations it will return to a dominant position at Suzuka.
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