The clashes broke out yesterday after tens of thousands of angry supporters of 61-year-old Morsi, chanting slogans like "down with military rule", took to the streets after Friday prayers demanding his reinstatement.
In the capital, the protesters holding images of Morsi marched towards the Republican Guards Club, where Morsi is believed to have been put "under guard" since Wednesday night.
In running street battles in Cairo, several more people were dead, including two at iconic Tahrir Sqaure, and scores of others injured, reports said.
The worst hit was coastal city of Alexandria, the second largest city in Egypt, where street fighting and clashes left 12 people dead, mostly from gunshot wounds.
Meanwhile, Brotherhood-led National Alliance in Support of Electoral Legitimacy today vowed more protests in support of the deposed president.
Morsi was toppled by the powerful military on Wednesday and since has been kept under detention along with some senior aides of his Muslim Brotherhood party.
Yesterday's clashes raged across Egypt after Brotherhood supreme leader Mohammed Badie told his followers not to give up street action until the reinstatement of Morsi.
"We are his soldiers we defend him with our lives," Badie told supporters at a Cairo mosque in his first appearance since the overthrow of the Morsi government.
