A US airman has been found dead at a base in Norfolk.
A spokesman for the 48th Fighter Wing, based at RAF Lakenheath, said the serviceman was found "unconscious in their work space" at RAF Feltwell, near Thetford.
They have been named as Staff Sgt Ivone Rios, a cyber transport systems maintainer.
Emergency crews tried to revive the airman but were unable. The US Airforce said the cause of death was unknown but an investigation was being carried out.