Soldiers gesture along a road leading to the Defence Ministry’s compound as smoke rises after an attack, in Sanaa December 5, 2013. At least 20 people were killed on Thursday in a car bomb and gun battle at the Yemeni defence ministry compound in the capital Sanaa, sources inside the complex said, in one of the most serious attacks in the past 18 months. REUTERS/Mohamed al-Sayaghi (YEMEN – Tags: POLITICS MILITARY CIVIL UNREST)