Cars banned from downtown Najaf to prevent bombings
Authorities in Najaf barred vehicles from the Imam Ali shrine district after Sunday's bombing. Gov. Adnan al Zurufi said 50 people were detained as interrogations continued, while security measures protected Ayatollah Ali al Sistani. Insurgents threaten polling, amid U.S. claims of regaining initiative. a Humvee was hit near Baghdad airport and 19 insurgents were detained near Tikrit.