Flight attendants discovered the unconscious man in the plane's bathroom shortly after the S7 Airlines flight took off from the resort of Sharm el-Sheikh to the southwest Russian city of Samara, the regional bureau of the state-run Russia broadcaster reported.
The plane made an emergency landing in Cairo, but medics were unable to save the patient. His body was repatriated aboard the same plane.
Russian transport investigators told the state-run TASS news agency that they were probing the circumstances surrounding the incident.
Source: Khaleej Times