There were believed to be 56 passengers, seven crew and three security staff on board
The sheer scale of the security operation around Tahrir Square and across the capital illustrate the wariness of the authorities at what is unfolding
The reported alert came after another EgyptAir plane was hijacked on an internal flight between Alexandria and Cairo
The plane remained grounded for 21 hours until a replacement was found
Though the circumstances surrounding Mr Regeni’s death remain unclear
Was 28-year-old the latest victim of state-sponsored murder in an increasingly lawless country?
Mr Regeni disappeared on 25 January, the five-year anniversary of the uprising that overthrew Hosni Mubarak
It came after tourists were stabbed at a Red Sea resort and another hotel was attacked in Cairo
The restaurant, located in a basement, offered no escape route
The armed forces said the helicopter crash was caused by technical difficulties
Do the British people love Blair? Do they eat Blair chocolates and wear Blair pyjamas?
Two Britons are among a group of 20 journalists working for Al-Jazeera facing criminal trial in Egypt on charges of aiding or joining a terrorist organisation – the latest press crackdown in a country which is facing growing instability.
Police have fired live rounds in the air and tear gas to disperse anti-government protesters
The trial of Egypt's former Islamist president on charges of inciting murder was adjourned on Wednesday until next month, after bad weather prevented a helicopter flight from bringing Mohammed Morsi to court.
Pro-Morsi supporters convicted on charges ranging from rioting to sabotage