1.   Arab allies could draw the line at U.S. attacks on fellow Arab and Islamic countries, or on allowing the use of local air bases for U.S. bombing runs.

2.   After three weeks of U.S. bombing runs, the limits of air power are evident in Afghanistan.

3.   But it has threatened to boil over since April, when one civilian was killed and four others were injured during a practice bombing run.

4.   COMBAT --American planes began bombing runs from Hungary.

5.   In addition, the tankers allow jets sent on bombing runs to stay aloft longer.

6.   Most seemed to view it as no different than any other bombing run.

7.   Air Force planes begin bombing runs.

8.   Eighteen civilians were injured in a U.S. and British aircraft bombing run late Friday in southern Iraq, official sources said Saturday.

9.   Even during that operation, U.S. bombing runs were much less intense than during the main U.S.-led bombing that tapered off at the end of December.

10.   In the previous two weeks, the day has brought a let-up in U.S. bombing runs on the capital.