...you've got mortar attacks, car bombings, roadside bombings, and accidents:
http://www.boston.com/dailynews/027/world/11_Iraqis_one_Marine_killed_in:.shtml11 Iraqis, one Marine killed in pre-election violence; insurgents blow up school <snip>
"The Marine was killed and five others injured when insurgents launched mortars at their base near Iskandariyah, about 30 miles south of Baghdad."
<snip>
"In a continuation of the pre-election violence plaguing the country, three Iraqi civilians were killed Thursday in a house in Samarra, 60 miles north of Baghdad, when a car bomb exploded nearby, said Alaadin Mohammed, a doctor at the local hospital."
<snip>
"Another three Iraqis were killed and seven injured when a roadside bomb missed a U.S. convoy in Mahmoudiya, 20 miles south of Baghdad, according to the area's hospital director, Dawoud al-Taie."
<snip>
"A U.S. soldier also died from a gunshot wound early Thursday on a base near Tikrit in what the American military command called an accident."
Not to mention various gunbattles, kidnappings, school attacks, and summary executions of Iraqi officials.