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
Muslim Brotherhood in post-Mubarak electoral politics of Egypt Morsi's first anniversary in office (June 2013). The demonstrators demanded his resignation or removal. Morsi refused to step down, but his elected government was overthrown in a military coup led by the Minister of Defense General Abdul Fatah al-Sisi on July 3, 2013. After weeks of tense pro-Morsi sit-in demonstrations in Cairo, a state of emergency was declared and the new regime's security forces violently dispersed the protestors on August 14. During the long-lasting presidency of Hosni Mubarak, the Muslim Brotherhood went through different stages of social and political development and activity, becoming a formal participant in the political process,