Egypt has seen clashes across the country between police and supporters of the Muslim Brotherhood, leaving at least three people dead.<br /><br />It came after the first Friday prayers since the army-backed government declared the group a terrorist organisation.<br /><br />Security forces detained at least 265 suspected Brotherhood sympathisers, on top of dozens arrested on Thursday.<br /><br />The widening crackdown, like this week’s bomb attacks, has further polarised opinion.<br /><br />In clashes at Cairo’s al-Azhar University, local people opposed to the Muslim Brotherhood and students who support the organisation threw stones at each other.<br /><br />Elsewhere an 18-year-old Brotherhood supporter was shot dead in the Nile Delta, while another man was killed in an Islamist stronghold south of Cairo. A third person was killed in the capital – no more details were given.<br /><br />Euronews correspondent Mohammed Shaikhibrahim witnessed the violence at al-Azhar University and said from the scene: “The worsening conflict between the government and the Muslim Brotherhood is now turning into a battle over the Islamist group’s very existence, especially after the government declared it a terrorist organisation.”