Egyptian Islamists announced fresh demonstrations for Sunday after police ended a tense stand-off with protesters in a Cairo mosque, as the death toll from four days of violence surpassed 750.
Security forces on Saturday dragged Islamist supporters of deposed president Mohammed Morsi from the al-Fath mosque, passing through angry crowds who called them "terrorists" and tried to beat them.
The interior ministry said 385 people inside the mosque had been arrested.
The clashes came as the government said the country's death toll had risen to more than 750 since Wednesday, when police cleared two camps of Morsi loyalists in the capital.
A statement by the Anti-Coup Alliance said several marches would take place in Cairo on Sunday afternoon, continuing the daily campaign of protests in defiance of an intensifying crackdown.
According to an AFP tally, more than 1,000 people have been killed since mass demonstrations at the end of June against the unpopular rule of Morsi, accused of concentrating political power in the hands of his Islamist backers and of failing to address economic woes.
He was deposed by the military on July 3 in what his supporters say was an armed coup d'etat that deepened splits in an already highly divided society.
Meanwhile, international criticism of the bloodshed mounted, with Germany and Qatar jointly condemning the "brutal violence" and United Nations boss Ban Ki-moon urging "maximum restraint" and "de-escalation" at what he termed a "dangerous moment" for Egypt.
The siege of the al-Fath mosque in Ramses Square began on Friday, with security forces surrounding the building where Islamists were sheltering and trying to convince them to leave.
The Islamists had lined up the bodies of dozens of protesters who had been killed on Friday inside the mosque-turned-morgue.
By Saturday afternoon, the situation turned violent, with an AFP reporter at the scene saying gunmen inside the mosque were trading fire with police outside.
Police eventually dragged people from inside the mosque, firing in the air to hold back residents who tried to attack the Islamists with sticks and iron bars.
'Huge amount of self-control' --
Egypt's interim army-backed government has defended the crackdown, with presidential adviser Mustafa Hegazy saying forces had acted with "a huge amount of self-restraint and self-control."
The cabinet has also insisted the security services were acting to confront a "terrorist plot."
But international criticism poured in on Saturday, with German Foreign Minister Guido Westerwelle saying he and his Qatari counterpart were "deeply distressed by the ongoing and brutal violence in Egypt."
Westerwelle urged the two sides to resume dialogue, citing a "danger of civil war."
EU leaders have pledged a strong response to the violence, which the bloc's foreign policy chief Catherine Ashton has described as "shocking."
Elsewhere, thousands marched in Turkey against Morsi's ouster, and the Vatican said Pope Francis was following events with "mounting concern."
The pontiff was praying for the rival sides to "choose the path of dialogue and reconciliation," the Vatican said.
The United States has announced the cancellation of its biannual military exercise with Egypt, but stopped short of suspending $1.3bn in annual aid.
The US embassy in Cairo said it would stay shut on Sunday, a working day in Egypt, citing the possibility of fresh demonstrations nearby.
