Gunmen attacked a convoy of civilian trucks Friday, killing one guard, and a cache of arms was seized in a Baghdad mosque, officials said. Security forces detained 77 people across Iraq in a crackdown on sectarian and political extremists. The convoy carrying unspecified goods had just left Baghdad for the northern city of Irbil when it came under attack in Taji, 10 miles north of the capital, said police Lt. Ahmed Al-Qaisi. Full Story