Police Fire Tear Gas at Egyptian Protesters

Riot police use tear gas to disperse protesters opposing Egyptian President Mohamed Morsi in Alexandria, Egypt, December 21, 2012.

Protesters supporting Egyptian President Mohamed Morsi gesture as anti-Morsi protesters throw rocks at them during clashes in Alexandria, Egypt, December 21, 2012.

Opponents of Egyptian President Mohamed Morsi clash with Islamist supporters of the president, unseen, as a cordon of riot police separates the groups in Alexandria, Egypt, December 21, 2012.

Riot police try to prevent protesters supporting Egyptian President Mohamed Morsi from throwing rocks at anti-Morsi protesters during clashes in Alexandria, Egypt, December 21, 2012.

Riot policemen stand between protesters opposing Egyptian President Mohamed Morsi and others supporting him (not pictured) in Alexandria, Egypt, December 21, 2012.

A woman reacts as she stands before riot policemen separating opponents of Egyptian President Mohamed Morsi and Islamist supporters of the president in Alexandria, Egypt, December 21, 2012.