Unmanned U.S. Aircraft Focus On Radical Cleric

Armed U.S. drones have been sent to Yemen to hunt down a radical American-born Muslim cleric, say American intelligence officials cited by the Daily Telegraph (U.K.).

Anwar al-Awlaki has been linked to November's shooting at Fort Hood, Texas, and the botched December attempt to blow up an airliner over Detroit. He has been placed on a U.S. list of terrorist targets to capture or kill.

The cleric is said to be taking a greater operational role with Al-Qaida in the Arabian...