Thousands of people have been protesting in Cairo's Tahrir Square and in Alexandria. <br /><br />They are demanding justice after several former top officials were cleared of the killing of protestors during <br />last year's uprising.<br /><br />The crowds also want Hosni Mubarak's former prime minister, Ahmed Shafiq, to be barred from the presidency. <br /><br />Al Jazeera's Rawya Rageh reports from Cairo.
