Universal Pictures, the studio behind the Fast and the Furious film franchise, has said they are "heartbroken" over the death of one of its star.
Paul Walker is reported to have died in a car crash north of Los Angeles earlier today, his publicist confirmed.
In a statement, the studio said: "Paul was truly one of the most beloved and respected members of our studio family for 14 years, and this loss is devastating to us, to everyone involved with the Fast and Furious films, and to countless fans.
"We send our deepest condolences to Paul's family".
The Los Angeles County Sheriff's department has told the Associated Press that deputies found a car engulfed in flames, thought to be of actor Paul Walker's when they responded to a report of a collision in the community of Valencia in California.
Two people who were found in the car were pronounced dead at the scene.
Singer Alexandra Burke and US rapper 50 Cent are among many stars to have taken to Twitter to pay their condolences to actor Paul Walker, after his publicist confirmed the 40-year-old had died in a car crash today.
It is with a truly heavy heart that we must confirm that Paul Walker passed away today in a tragic car accident while attending a charity event for his organization Reach Out Worldwide. He was a passenger in a friend's car, in which both lost their lives.
We appreciate your patience as we too are stunned and saddened beyond belief by this news. Thank you for keeping his family and friends in your prayers during this very difficult time. We will do our best to keep you apprised on where to send condolences.