Timeline of the Yemeni Revolution (January – 2 June 2011) Al Jazeera said Yemen had increased security the next day. Human Rights Watch said that demonstrators celebrating the ouster of Hosni Mubarak in Egypt turned violent when hundreds of men armed with knives, sticks, and assault rifles attacked the protesters. By noon, at least 4,000 protesters gathered to demonstrate in Sana'a, with numbers expected to rise. Approximately 5,000 police with clubs and government supporters beat the anti-government protesters who were celebrating the resignation of Egyptian President Hosni Mubarak and were also demanding the removal of Saleh. Protesters also tried to reach the Egyptian embassy in Sana'a, but police forces kept
Tahrir Square system's two lines, linking to Giza, Maadi, Helwan, and other districts and suburbs of Greater Cairo. Its underground access viaducts provide the safest routes for pedestrians crossing the broad roads of the heavily trafficked square. Tahrir Square has been the traditional site for numerous major protests and demonstrations over the years, including the 1977 Egyptian Bread Riots, and the March 2003 protest against the War in Iraq. Tahrir Square was the focal point of the 2011 Egyptian Revolution against former president Hosni Mubarak. Over 50,000 protesters first occupied the square on 25 January, during which the area's wireless services were