A 20-year-old driver died at the scene of a crash in Kent in which his car overturned.
Police said emergency teams were called to the scene in Otford Lane, Halstead, shortly before 0020 BST.
Officers said a male passenger in the VW Golf suffered what were believed to be minor injuries.
The road was closed until about 0330 BST while the serious collision investigation unit dealt with the incident and began an inquiry.
The man who died has not yet been named, but his family have been informed.
Police have appealed for witnesses.