The death toll from clashes in Egypt has risen to 53 as calm returned to the streets after one of the bloodiest days since the military toppled Islamist president Mohamed Mursi in July.
State radio said security forces had regained full control of Egypt.
In addition to the dead, the Health Ministry said 271 people had been wounded in the clashes. Most of the casualties were Mursi supporters, security sources said.
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Armed police have carried out a raid apparently linked to Wednesday's deadly terror attack in Westminster.
Cheryl Grimmer vanished from inside a beach shower block in Wollongong, Australia, in 1970, when she was just three.
Pc Keith Palmer was on the front line and because of his actions, the Westminster attacker was unable to kill anyone else.