A camera that Michael Schumacher was wearing on his helmet when he was injured in a skiing accident has been handed to authorities, the Formula One champion's manager said.
The racing driver, who suffered a severe head injury while skiing off-piste in the resort of Meribel in France last Sunday, remains in an artificially induced coma.
He is in a critical but stable condition and it is believed his life was saved by his skiing helmet, which split on impact.
Schumacher turned 45 yesterday, with his family saying they were "overwhelmed" by the support of fans who gathered at the Grenoble hospital to mark the occasion.
Sabine Kehm said in a statement that investigators had been given the camera by relatives, dismissing speculation this was against their wishes.
Investigators are examining footage from a small camera which was attached to Michael Schumacher's helmet France's BFM TV channel reported, after his family handed the camera over.
Investigators also interviewed his son, who said he was with Schumacher at the time of the accident.
Fans have projected a message of support to Michael Schumacher after holding a vigil for the former Formula 1 world champion on his 45th birthday.
Schumacher remains in a critical condition after being admitted into a coma following his head injury while skiing at the French resort of Meribel.
Michael Schumacher's family say they have been "moved to tears" by the birthday vigil held by his fans outside the hospital in Grenoble where he remains in an artificial coma, BBC sports correspondent Richard Conway has reported.
Schumacher family: "The incredible sympathies shown today by the Ferrari Fans... has utterly overwhelmed us and moved us all to tears."
Schumacher family: "We are deeply grateful for it and also for all the heartwarming and heartfelt wishes for Michael to get well soon.."
Ferrari fans from France, Italy and Germany attended a silent 45thbirthday tribute to seven-time Formula One world champion MichaelSchumacher in front of the hospital in the French Alps, where he is being treated.
There has been no update on his condition, which had previously been described as critical but stable.
Michael Schumacher's fans are holding a silent vigil to mark the former Formula One driver's 45th birthday as he receives treatment for serious head injuries.
Outside the hospital in Grenoble, fans left a sign that said: "Schumi, all our thoughts for you and your family."
The family of former Formula One driver Michael Schumacher have arrived at the hospital where he is being treated for serious head injuries.
His wife Corinna, brother Ralf and father Rolf all attended the University Hospital of Grenoble on the seven-time world champion's 45th birthday.
Michael Schumacher's wife has returned to his bedside for a fifth day after the former Formula 1 champion's horror fall while skiing in the French Alps.
Formula One driver Jenson Button and former German tennis star Boris Becker have sent their best wishes to Michael Schumacher on his 45th birthday, as the seven-time world champion remains in hospital following a serious skiing accident.
Best wishes to Michael Schumacher and his family on his birthday today. #StayStrongSchumi
Schumacher's family has reportedly been briefed by doctors this morning on his condition.
CNN reporter Saskya Vandoorne has tweeted that Michael Schumacher's family will be updated on his condition at 8.30 GMT:
#schumacher's hospital tells me briefing between family,manager+doctors at 9.30local.After which may be presser,statement or communique