Arab world in turmoil

CAIRO, EGYPT, JANUARY 28: A riot policeman fires a tear gas canister at an anti-government protest. Thousands of people are protesting against the 30-year-old rule of president Hosni Mubarak across the country. Opposition politician Mohamed ElBaradei has returned to Egypt calling for Mubarak to step down after ruling for 30 years. The unrest was sparked by protests in Tunisia which have since spread throughout the Arab world...