Motor racing governing body the FIA said Wednesday it has ordered a report into Frenchman Jules Bianchi's crash at the Japanese Grand Prix by its top race director.
FIA president Jean Todt has asked Charlie Whiting, the Formula One race director, "to carry out a report on the precise circumstances which led to the accident," the federation said in a statement sent to AFP.
"This report is still under elaboration as it concerns the cross-checking of a number of different sources of information. It will aim to be as complete and detailed as possible in order to understand exactly the accident which occurred," said the statement.
Some media reports said the report could be ready by this weekend's Russian Grand Prix. The federation did not comment.
Bianchi, 25, suffered a severe brain trauma in Sunday's crash in which his Marussia car smashed into a recovery vehicle in heavy rain at Suzuka. He underwent emergency surgery and is now said to be in "critical but stable condition."