21.   Across the street, extra guards patrolled the perimeter of the U.S. Embassy compound, and the mission was closed to visitors.

22.   Armed guards patrolled outside government buildings.

23.   Armed guards are patrolling five-star hotels in Karachi.

24.   Extra guards patrolled the perimeter of the U.S. Embassy compound, and the mission was closed to visitors.

25.   Forest guards were patrolling a national highway near the park in heavy rain to make sure that animals running away were not hit by speeding vehicles.

26.   Guards with machine guns patrolled the perimeter of the embassy and extra Uzbek police were added to the security detail.

27.   Guards now also patrol several other municipal cemeteries.

28.   Now guards patrol the cemetery, monitoring the arrival of workers to make sure they are on legitimate business.

29.   North Korean guards heavily patrol the border with China to prevent North Koreans from leaving the country.

30.   Russian border guards patrol the Tajik-Afghan border, a major conduit for drug trafficking, on agreement with Tajikistan.