Carlos Sainz's crash during third practice for the Russian GP meant another truncated session for teams ahead of qualifying.
The F1 field is set to take a step into the unknown for the second successive race weekend after P2 rain followed P1's diesel spill.
Nico Hulkenberg was fastest in opening practice in Sochi after a diesel spill on track delayed the start.
Jenson Button has no doubts he has made the right decision in staying at McLaren and says "anything is possible" in 2016.
Flavio Briatore says Fernando Alonso "loves" McLaren and has no plans to depart. See the full interview in Sunday's race show.
Lewis Hamilton would relish a Bahrain 2014-esque battle with Ferrari's Sebastian Vettel at every race in 2016.
Will Stevens is optimistic he will remain in F1 with Manor in 2016 when he expects the team to be much more competitive.
Force India will not run Mercedes' latest-specification engine before the end of the season, Sergio Perez has confirmed.
Fernando Alonso will race with an upgraded Honda engine - but take a penalty - as McLaren's partner spend final four tokens.
Roberto Merhi is back in the second Manor seat for the Russian GP while Alexander Rossi reverts to GP2 as the series resumes.
Johnny Herbert casts his eye over the betting for the Russian GP and gives you his top three tips for the weekend.
History poised to repeat itself for Mercedes in Sochi, but can Rosberg and the track itself erase more disappointing memories?
F1 heads to the Sochi Autodrom this weekend, to race around the home of the 2014 Winter Olympics for the second time.
Kimi Raikkonen says Ferrari have "surprised" themselves with their form at times in 2015, with more gains expected for 2016.
Pirelli have revealed their tyres choices for the forthcoming grands prix in Singapore, Japan and Russia.