Egypt mass protests challenge Islamist president - Article Photos 4/31

Egyptians clash with security forces and attempt to throw back tear gas canisters fired at them near Tahrir square, where an opposition rally has been called for to voice rejection of President Morsi's seizure of near absolute powers, in Cairo, Egypt, Tuesday, Nov. 27, 2012. The Health Ministry said about 444 people have been wounded nationwide, including 49 who remain hospitalized, since the clashes erupted on Friday, according to a statement carried by the official news agency MENA. (AP Photo/Thomas Hartwell)