21.   Police have intensified street patrols recently.

22.   Police in armoured vehicles have intensified their patrols in the area where firing erupted Tuesday night, residents said.

23.   Police in armoured vehicles intensified patrols and traffic was at a standstill, unable to cross road blocks erected Sunday, residents said.

24.   Police patrols had been intensified and no fresh clashes were reported Tuesday, a university official said, adding the classes remained suspended.

25.   Security forces in armoured vehicles intensified thier patrols in the North Nazimabad area and blocked exits to arrest militants.

26.   Security has been stepped up in the city and the army intensified patrols.

27.   Soldiers took up positions throughout Assam, including the capital Guwahati, while police and paramilitary troops intensified patrols of highways and city streets, officials said.