Article Photos: Egypt mass protests challenge Islamist president 16/31

  An Egyptian protester runs to throw a tear gas canister fired from security forces during clashes 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. Egyptian protesters and police clashed in Cairo on Tuesday just hours ahead of a planned massive rally by opponents of the country’s Islamist president demanding he rescinds decrees that granted him near-absolute powers.(AP Photo/ Khalil Hamra)