The last US brigade designated as a combat unit withdrew from Iraq; 50,000 US troops remain in an “advise and assist” capacity. Insurgents killed five policemen, a soldier, and an Awakening fighter in attacks in Fallujah, Ramadi, Baghdad, Mosul, and Kirkuk. Security forces detained 31 wanted men in Diyala, killed an al Qaeda operative and detained four more in Mansuriyah, and arrested a Promised Day Brigade leader and a fighter in Rashidiyah.