A military official says a suspected U.S. drone strike has killed three alleged al-Qaida militants in a southern Yemeni province, the second strike in a day.
The official says the attack Thursday in the al-Ayoon area of Hadramawt province targeted a car carrying the suspected militants. The official spoke on condition of anonymity in line with regulations.
Earlier in the day, another suspected U.S. drone killed six alleged militants in central Marib province.
Yemen is on high alert after authorities revealed an al-Qaida plot to target foreign embassies and international shipping lanes in the Red Sea.
The U.S. and Britain have evacuated embassy staff over a threatened attack.
Seven suspected U.S. drone strikes in the past 10 days have killed 31 alleged militants