At least 12 government troops and 11 attackers were killed after al Qaeda fighters riding in more than 20 trucks raided government institutions in the southern province of Hadramout Friday night . The Defense Ministry confirmed the fatalities to government troops , adding that 11 more were injured in the attacks , and four of them were in critical condition . Eyewitnesses in Seyoon district told CNN that more than 100 al Qaeda fighters attacked nine different governmental institutions , including the national security and police headquarters , and two strategic military bases . `` The militants waited until nightfall and burned down all the government institutions they controlled , '' said Ali Ba Obaid , an eyewitnesses . He said that government reinforcements arrived two hours after the militants had taken control of the institutions . `` Hundreds of government forces led by the air force and special forces forced the terror militants to evacuate '' early Saturday morning , `` but they left after destroying everything , '' he said . `` The latest al Qaeda defeat in Seyoon is strong proof that their ability to control areas in Yemen are very limited , '' the official told CNN on condition of anonymity because he is not authorized to talk to media . He said that two of the terrorists killed in the clashes were Saudi . The attacks came a little more than a month after Yemen launched a military offensive against al Qaeda in the Arabian Peninsula amid an uptick in violence in the capital . Four civilians killed as Yemen battles al Qaeda .
Government : More than 100 attackers attacked nine governmental institutions . Defense forces : At least 14 government officials and two attackers were killed . One source says they burned down ` ` all the government buildings they controlled ''