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Clashes at Egypt anti-Morsi march in Cairo

4 December 2012 Last updated at 22:45 GMT

Protestors in Egypt have clashed with security forces outside the presidential palace in Cairo.

They are demonstrating against a new draft constitution and a declaration issued by President Morsi giving himself sweeping powers.

Many more protesters have gathered in Tahrir Square to take part in a sit-in.

Jon Leyne reports from Cairo.