21.   Scores of policemen armed ringed the area.

22.   There is no radar at the airstrip and mountains ring the area making it dangerous to attempt a landing without good visibility, they said.

23.   A massive manhunt for the assailants was underway, and police had ringed the area with barricades.

24.   Police ringed the area and launched searches for suspects, officials said.

25.   Police ringed the area, carrying out search operations and questioning suspects, witnesses said.

26.   Police, who had earlier searched the university campus and collected firebombs and leaflets, ringed the area in force.

27.   Russian tanks and armoured vehicles ringed the area as Pulikovsky arrived from the main Russian base near Grozny by helicopter.

28.   The area is ringed by small shops mainly selling hosiery, garments and picture frames.