21.   U.S.-led allied jets have policed the area since the Persian Gulf War.

22.   After eight hours of talks they agree to withdraw all their forces from Grozny and to establish joint Russian-Chechen units to police certain areas.

23.   They agree to withdraw all their forces from Grozny and to establish joint Russian-Chechen units to police certain areas.

24.   Phnom Penh is not able to police those areas, he said.

25.   Russian and Ukrainian soldiers have been assigned to reinforce the French contingent normally responsible for policing the area.

26.   Soldiers have stepped up security in this town at the foot of the mountains and set up extra control posts, while self-defence groups are also policing the area.

v. + area >>共 728
leave 4.17%
search 2.80%
cover 2.79%
visit 2.64%
patrol 2.46%
enter 2.42%
flee 2.30%
reach 1.79%
hit 1.70%
clear 1.55%
police 0.21%
police + n. >>共 448
chief 3.63%
headquarters 3.12%
spokesman 3.12%
report 2.70%
officer 2.28%
area 2.19%
fire 1.85%
settlement 1.69%
official 1.52%
source 1.35%
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