71.   Details of his itinerary were being kept secret in an attempt to prevent protests.

72.   The step has been taken to prevent violent protests against the assassination, police said.

73.   Policemen and women and special security forces kept guard to prevent violent protests.

74.   Riot police was deployed in various parts of the district to prevent violent protests, witnesses said.

75.   Riot police have also set up barricades at an exit to a campus further north in order to prevent similar protests from taking place.

76.   Riot police have also set up barricades at an exit to a campus further north in order to prevent similar protests.

77.   Security forces on Monday and Tuesday prevented street protests, although a stay-at-home strike Monday did paralyze the capital.

78.   Security forces were on high alert to prevent protests against the siege, the police said.

79.   The Indian authorities stepped up security across the strife-torn valley to prevent anti-Indian protests during the strike.

80.   The Kaohsiung authorities had a large police force ready to prevent protests.