Six security force personnel were killed and eight others were wounded in the attack, said an army official.

Clinton said leading the agency as the Secretary of State had been a "unique and singular, exciting and challenging" experience.

Yemeni forces intercepted a ship on January 23 carrying a large cache of weapons, including surface-to-air missiles.

Both Koreas say their satellites are working properly. U.S. experts say Pyongyang's satellite is apparently malfunctioning.