It took several hours for security forces to regain control of the building after the 9 a.m. attack . Defense complex attack kills 52 people , including a relative of Yemen 's president . The government building at defense complex , Yemen state media reported . Militants drove an explosive - laden vehicle into the building . Gunmen then battled security forces inside .
Defense complex attack kills 52 people , including a relative of Yemen 's president . The government building at defense complex , Yemen state media reported . Militants drove an explosive - laden vehicle into the building . Gunmen then battled security forces inside .