11.   Anarchist cells among the demonstrators have used violence to attract attention, often damaging property and turning urban centers into combat zones.

12.   And several days later, as heavy clouds moved in over the combat zone, most air operations were canceled.

13.   And they are but two of the thousands of vehicle-pedestrian collisions that turn New York City street corners at times into virtual combat zones.

14.   As one measure, the president announced an executive order which would extend tax deadlines and offer some income tax exemptions for military personnel serving in the combat zone.

15.   At one point during her tour, two American soldiers spied her getting out of a helicopter in a central highlands combat zone.

16.   At the same time, Cohen acknowledged, elite Air Force teams have been assigned to the region to rescue any U.S. fliers downed in the combat zone.

17.   After high school, he spent four years in European combat zones.

18.   Boorda earned the medals during the Vietnam War while serving aboard destroyers that cruised the Gulf of Tonkin, then part of the combat zone.

19.   But Chechens seem to drift in and out of the combat zone at their own whim.

20.   But even under less dramatic circumstances, property is a combat zone for opposed interests.