Protesters wave a flag and a picture of slain opposition leader Mohamed Brahmi during a demonstration to call for the departure of the Islamist-led ruling coalition, outside the Constituent Assembly headquarters in Tunis September 7, 2013. Tens of thousands of Tunisians took to the streets on Saturday to renew their demands that the Islamist-led government step down and end a political deadlock threatening the North African country’s fledgling democracy. REUTERS/ Anis Mili (TUNISIA – Tags: POLITICS CIVIL UNREST)