1.   A police officer armed with a semi-automatic gun stood guard.

2.   A pro-choice president now stands guard over abortion rights.

3.   Fand, standing guard outside the Tower, had warned her to hurry.

4.   Gunmen stood guard at the camp entrance.

5.   He closeted himself in the cavernous, Renaissanceinspired presidential palace in downtown Lima, where armored military vehicles stood guard Friday.

6.   Riot police stood guard even in tiny back alleys.

7.   Sam stood guard over his blood-covered friend and tried in vain to flag down passing motorists.

8.   Soldiers stand guard on street corners and roam the city at night.

9.   Soldiers stand guard on street corners.

10.   Teachers stood guard every night and he was never alone.