Americans killed in Afghanistan were CIA agents: report

WASHINGTON, Dec. 30 (Xinhua) -- Eight Americans killed in a military base blast in Afghanistan were agents of the Central Intelligence Agency, CNN reported Wednesday.

The report cited an anonymous U.S. official, but didn't provide any details. The State Department confirmed the death of the eight in a suicide blast at the Forward Operating Base Chapman in Khost province, southern Afghanistan.

Department spokesman Ian Kelly didn't provide any details, nor did he say whether those killed were military personnel or civilians.

The blast occurred Wednesday afternoon when an attacker wearing a suicide vest detonated the explosive device.