FBI counter-terrorism agents lack the language skills and cultural understanding needed to succeed, a high-profile whistleblower claims.

Al-Qaida chief Osama bin Laden called on Europeans to stop helping the United States in the war in Afghanistan, according to excerpts of a new audiotape broadcast on Al-Jazeera television.

The US government has asked Iran for information about a former FBI agent reported to be missing while on a business trip to the Islamic republic, officials said today.

Biological samples from the bodies of al-Qaida in Iraq leader Abu Musab al-Zarqawi and his associates have been delivered to the FBI crime laboratory in Quantico, Virginia.