A teenager killed in a crash involving five cars has been named.

Greg Stiles, 18, of Thame, died when his blue Ford Fiesta was involved in a collision in Kingsey, Buckinghamshire, at about 3pm on Sunday.

His girlfriend Abi Dowdy, 17, of Buckinghamshire, remains at the John Radcliffe Hospital, Oxford, in a critical, but stable condition.

A 4x4 vehicle involved in the crash left the scene before police arrived.

Anyone with information should contact police on 08458 505505 or Crimestoppers on 0800 555111.