The United Nations on Wednesday condemned the killing of pro-democracy protesters by Egypt’s military rulers.
Navi Pillay, the UN’s human rights chief, criticised authorities for their “clearly excessive use of force” against demonstrators demanding immediate elections.
She also called for an independent investigation.
Clashes broke out at the weekend that have left at least 37 people dead and nearly 2,000 injured.
Crowds in Cairo and other Egyptian cities want the army to be replaced with an interim civilian government.
Parliamentary elections begin on Monday and protesters insist that a presidential poll be held immediately afterwards.
Former leader Hosni Mubarak handed power to the military when he resigned on February 11th.
The military has promised presidential elections will take place by the end of June.