1.   Army troops on Thursday occupied the towns that were attacked and began combing the mountains, crisscrossing southern Mexico in pursuit of the rebels.

2.   At least four survivors of a crash of an American Airlines jet in Colombia were found as rescue workers combed steep mountains in rainy, cold weather.

3.   Even as searchers comb the mountains of Colorado in search of wreckage, conspiracy buffs cast theories about right-wing terrorists, Mexican drug lords and the CIA.

4.   Rescuers on Wednesday combed mountains of rubble at what had been the World Trade Center in a grim search for survivors among the thousands presumed dead in its collapse.

5.   The Afghans said they would continue combing the mountains for terrorists for as long as it would take, but they gave no indication how long that might be.

6.   The weather briefly cleared Monrday, allowing a helicopter and a large force of rescuers to comb the mountain.

7.   They are combing their mountains of computerized information looking for patterns in diseases like asthma and diabetes, that could, in theory, be managed at lower cost.

8.   U.S. special forces combed mountains, caves and valleys southeast of Kandahar, but did not find Osama bin Laden.

9.   By late afternoon, officials said the fighting had stopped, the communities were under government control and soldiers were combing the mountains in search of rebels.

10.   It said police were combing the mountains bordering the Nile, but no clashes had occurred.