No senior al Qaeda leaders die in the attack in a southern province , they said . Defense ministry : 30 people killed in airstrikes . Obama ramps up covert war in Yemen . Unclear whether the fatalities were caused by drone strikes or Yemeni fighters .
No senior al Qaeda leaders die in the attack in a southern province , they said . Defense ministry : 30 people killed in airstrikes . Unclear whether the fatalities were caused by drone strikes or Yemeni fighters .