THE FACT CHECK:

A check of the facts shows that Western forces have been killing civilians at a faster rate than the insurgents.

The U.S. and NATO say they don't have civilian casualty figures, but The Associated Press has been keeping count based on figures from Afghan and international officials. Tracking civilian deaths is a difficult task because they often occur in remote and dangerous areas that are difficult to reach and verify.

As of Aug. 1, the AP count shows that while militants killed 231 civilians in attacks in 2007, Western forces killed 286. Another 20 were killed in crossfire that can't be attributed to one party.

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