Three Amiri Diwan employees from Qatar's protocol team died when their car overturned on a curve 50 km from Sharm El-Sheikh; two others injured and hospitalized.
Victims were en route to Monday's global summit finalizing the Israel-Hamas ceasefire, a deal Qatar co-mediated with Egypt and the U.S.
Qatari embassy confirms stable conditions for survivors; bodies and injured to return to Doha Sunday; regional leaders express condolences amid ongoing investigations.