Clashes in Cairo as Morsi faces nationwide protests

Clashes between police and protesting youths erupt near Cairo's Tahrir Square, ahead of a mass rally against a decree by President Mohamed Morsi granting himself broad powers. Marches are planned from across the capital into Tahrir, the epicentre of protests that toppled Hosni Mubarak last year, where the numbers are expected to swell after the end of the work day. Duration: 01:00