The drone targeted a vehicle at the entrance to a presidential palace in Mukalla, capital of the southeastern province of Hadramawt, the official said, asking not to be named.
"Four al-Qaeda members were killed, including leaders, and others maimed," he said, without being able to name those killed.
A U.S. drone strike last month killed the senior al-Qaeda official who appeared in a video claiming the deadly January attack on French magazine Charlie Hebdo
...
A lefty French satirical magazine, home of what may well be the majority if the active testicles left in Europe..., a monitor said Thursday.
Nasser bin Ali al-Ansi was killed in the April strike along with his eldest son and other fighters, also near the palace in Mukalla.
The announcement of his death came in a video posted last week on Twitter by Al-Qaeda in the Arabian Peninsula
...the latest incarnation of various Qaeda and Qaeda-allied groups, including the now-defunct Aden-Abyan Islamic Army that boomed the USS Cole in 2000...
-- which Washington considers the international terror network's deadliest branch.
The United States is the only country that operates drones over war-torn Yemen.
Al-Qaeda has exploited fighting between rebels and beleaguered government forces backed by a Saudi-led coalition to consolidate its grip on Hadramawt province.
Washington has acknowledged that al-Qaeda is gaining ground but has vowed to keep up its battle against the group.