People gather near a destroyed car that was carrying militants in the Sawmaa area of al-Bayda province, Yemen, Saturday, April 19, 2014. A Yemeni military official says an American drone strike has killed nine suspected al-Qaida militants and inadvertently killed and wounded some civilians. (AP Photo/Nasir al-Sanna'a)

Photo by: Nasir al-Sanna'a

People gather near a destroyed car that was carrying militants in the Sawmaa area of al-Bayda province, Yemen, Saturday, April 19, 2014. A Yemeni military official says an American drone strike has killed nine suspected al-Qaida militants and inadvertently killed and wounded some civilians. (AP Photo/Nasir al-Sanna'a)