US troops killed 28 Mahdi fighters during an ambush in Sadr City and killed another four during two engagements in northeastern Baghdad. Coalition forces killed 13 al Qaeda operatives and detained 17 during raids near Baghdad and in the North. A female suicide bomber killed one Iraqi and wounded four in an attack on a Sons of Iraq Headquarters southwest of Miqdadiyah. A suicide bomber wounded the mayor of As Sadiyah, two Iraqi policemen, and a civilian.