1.   Armed guards patrolled the grounds.

2.   Prison officers continued to patrol the grounds within the jail.

3.   Armed Taliban soldiers patrolled the grounds, so it was difficult to gauge how freely the refugees could talk.

4.   A pair of policemen patrolled the grounds and Hill conversed with them in Spanish every day.

5.   After the robbery, the hospital hired two armed guards to patrol the grounds just beyond the metal gates.

6.   German shepherds patrolled the grounds.

7.   Heavily armed guards patrolled the grounds of the White House and the Capitol.

8.   I shall never forget that sickening feeling when I first saw armed security guards patrolling church grounds.

9.   On Capitol Hill, police stepped up security around Congress, with extra officers patrolling the grounds.

10.   Officials say that officers will use bicycles, horses and all-terrain vehicles to patrol the grounds, the park perimeter and the neighborhoods adjacent to the course.