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
Hosni Mubarak had criticised his lack of action against Israel. Protests against Mubarak and his regime erupted in Cairo and other Egyptian cities in January 2011. On 1 February, Mubarak announced he would not contest the presidential election due in September. He also promised constitutional reform. This did not satisfy most protesters, who expected Mubarak to depart immediately. The demonstrations continued and on 2 February, violent clashes occurred between pro-Mubarak and anti-Mubarak protesters. On 10 February, contrary to rumours, Mubarak said he would not resign until the September election, though he would be delegating responsibilities to Vice President Omar Suleiman. The next