11.   Security troops ringed the square.

12.   Troops ringed Al Aqsa where hundreds of angry Palestinians gathered when word spread of the midnight tunnel breakthrough.

13.   Troops ringed the hospital.

14.   Troops ringed Al Aqsa where hundreds of angry Palestinians gathered when word spread of the work on the tunnel.

15.   He said the fighting erupted after troops ringed the village on a tip-off that militants were present.

16.   He said the fighting erupted after troops ringed the village on a tip-off that militants were there.

17.   But the situation remained very much uncertain in the capital, where the presidential palace was ringed by troops and stores had been ransacked by looters.

18.   Chinese civil defence troops ringed the consulate and prevented the North from several armed attempts to capture him.

19.   Pakistani troops ringed the building, with at least one truck-mounted machinegun.

20.   The fighting broke out when Indian army troops ringed a suspected hideout in the snow-enveloped Kandi area.