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
We Are Legion Tunisian police also arrested online activists and bloggers within the country and questioned them on the attacks. Anonymous's website suffered a DDoS attack on January 5. During the 2011 Egyptian revolution, Egyptian government websites, along with the website of the ruling National Democratic Party, were hacked into and taken offline by Anonymous. The sites remained offline until President Hosni Mubarak stepped down. On the weekend of February 5–6, 2011, Aaron Barr, the chief executive of the security firm HBGary Federal, announced that his firm had successfully infiltrated the Anonymous group, and although he would not hand over details to the