Egypt's Rival Groups Clash, as Cleric Warns of 'Civil War'
Description:Tensions rise in Egypt. At least one man was shot dead in Alexandria and 70 others reported injured Friday. It happened during clashes between supporters and opponents of President Mohamed Morsi, near the offices of the ruling Muslim Brotherhood. It's not clear whether the victim was a Morsi supporter or opponent. The trouble comes two days before a planned opposition rally that marks one year since Morsi was voted into power.(1:22)