A picture taken from the building of the National Democratic Party (NDP) shows shows the October bridge (L) and Ramses Street on May 31, 2015, in the Egyptian capital, Cairo. Angry protesters demanding the ouster of Mubarak's regime ransacked and set fire to the headquarters of the NDP, a four-storey building located on the Nile near Cairo's iconic Tahrir Square, epicentre of the uprising. AFP PHOTO / MOHAMED EL-SHAHED (Photo credit should read MOHAMED EL-SHAHED/AFP/Getty Images)