The United Nations has condemned the killing of pro-democracy protesters by Egypt’s military rulers.
Its human rights chief criticised security services for “their clearly excessive use of force” and called for an independent investigation.
Many have gathered in Cairo’s Tahrir Square, repeating scenes from the revolution that swept ex-president Hosni Mubarak from power.
Tear gas has been used to break up the demonstrations and activists say the police are also firing live rounds at them.
An offer to hold a presidential election in June has been rebuffed by the protest movement.
They fear the army is merely trying to buy time to protect its political and economic interests so it can retain a say in how Egypt is governed in the future.