1.   He pleaded, unsuccessfully, with an American Marine, Cpl. Derian F. Pritchett, who guarded a checkpoint outside of Klokot.

2.   In addition to Mexican Customs searches at international bridges, soldiers and federal police guard highway checkpoints where vehicles are searched for weapons and other contraband.

3.   In one project he is working on, the human player is the leader of a squad guarding a checkpoint at a bridge.

4.   Its troops guarded checkpoints and supervised the nighttime curfew.

5.   Near a tank that guarded a checkpoint at the city gate, several dozen armed men waited to speak to a local alliance commander.

6.   The army said its men guarding such checkpoints here and elsewhere were on high alert.

7.   Part of their job will be guarding checkpoints, stopping civilians and -- when necessary -- searching them.

8.   At night, security tightens visibly, with soldiers guarding checkpoints and the entrances to the tunnels dug into the granite.

9.   Dozens of police guarded checkpoints around the Old City and flanked the gates leading to the Al Aqsa compound.

10.   Reporters have observed widespread bribe-taking by troops guarding checkpoints.