Lewis Hamilton dedicated his Russian Grand Prix victory to Jules Bianchi who remains in a critical condition following his Japanese GP crash.
The Briton cruised to victory to extend his championship lead over team-mate Nico Rosberg, but admitted the excitement was toned down because of the events of last week.
“It would be great to dedicate it to him and his family,” said Hamilton after the race.
“It would make a very small difference to them, but every bit of positive energy hopefully will help. We all need to be sending positive vibes that way.
“I think the whole week there has been one person in mind and that’s Jules.”
Hamilton’s win helped Mercedes secure the Constructors’ Championship in Russia, but he and motorsport boss Toto Wolff both agreed the celebrations had been overshadowed by the accident.
“Of course there is excitement and happiness for the team and everything,” added Hamilton. “But without a doubt every time I got in the car this week, I’ve honestly just been keeping him in my prayers every day.”
Wolff added: “We must not forget what happened last week and even if we have celebrations, and even if the boys are very happy with all the hard work, we will not forget what happened to Jules.”