Tunisian police officers and security personnel demonstrate in Tunis January 31, 2013. Thousands of policemen protested outside the Tunisian prime minister's office on Thursday demanding better pay, equipment and protection, as the birthplace of the Arab Spring faces a growing security threat from radical Islamists. REUTERS/Zoubeir Souissi (TUNISIA - Tags: BUSINESS EMPLOYMENT POLITICS CIVIL UNREST CRIME LAW)