A protester holds up a poster of Yemen’s former president Abd-Rabbu Mansour Hadi during an anti-Houthi demonstration in Sanaa February 21, 2015. Hadi left his official residence after weeks of house arrest by the Houthi militia on Saturday and flew to his home town of Aden, witnesses and a political source said. The poster reads: “Freedom for the legitimate president!” REUTERS/Khaled Abdullah (YEMEN – Tags: POLITICS CIVIL UNREST MILITARY)