Cairo: As protesters loyal to the ousted president Mohammed Morsi clashed with security forces, at least 60 people were killed in Egypt, reported BBC citing officials.
Most of the reported deaths were in Cairo, though about 25 were elsewhere, including 12 in Nile Delta cities.
Morsi's Muslim Brotherhood party declared Friday a week of daily rallies across Egypt.
Two days ago the protesters' camps were cleared, leaving at least 638 dead and sparking international condemnation.
The interior ministry, in the light of Wednesday's violence, said police had been authorised to use live ammunition "within a legal framework".
A state of emergency is also in force, including a dusk-to-dawn curfew.
Egypt has been rocked by massive protests since the ouster of the country's first democratically elected president Morsi by the military July 3. The Muslim Brotherhood-backed president is being held incommunicado at a secret location.
The army-backed Egyptian government led by interim President Adly Mansour cracked down on the sit-ins by tens of thousands of Morsi supporters Wednesday which led to violence and hundreds of deaths.
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