Supporters of Egypt's army and police gather at Tahrir square in Cairo, on the third anniversary of Egypt's uprising, Jan 25, 2014, Twenty-nine people were killed during anti-government marches on Saturday while thousands rallied in support of the army-led authorities, underlining Egypt's volatile political fissures three years after the fall of autocrat president Hosni Mubarak. Security forces lobbed teargas and some fired automatic weapons in the air to try to prevent demonstrators opposed to the government reaching Tahrir Square, the symbolic heart of the 2011 uprising that toppled the former air force commander. [Photo/Agencies]