Radical US-born cleric Awlaqi killed

SANAA, Yemen - US-born cleric Anwar al-Awlaqi, a prominent al-Qaida chief described by US officials as "the most significant risk" to the United States, was killed on Friday in what analysts called a "significant blow".

A senior US official confirmed Awlaqi's death after an announcement by the Yemeni defense ministry.

"I can confirm ... he's dead," the senior administration official said, without providing further details.