81.   Police fired tear gas, touching off violent clashes, the national news agency Yonhap reported.

82.   Pakistan has been prone to violent clashes between rival Sunni and Shiite Muslims.

83.   Past efforts by students to attend the it touched off violent clashes with police.

84.   Past police raids on Hyundai and other major strike-bound plants resulted in violent clashes with workers.

85.   Past such rallies resulted in violent clashes with police.

86.   Past use of police force has resulted in violent clashes and arrests of labor leaders.

87.   Palestinian and foreign journalists on Saturday protested what they said was the deliberate targeting of Palestinian journalists by Israeli troops during violent clashes in the West Bank.

88.   Past efforts by students to attend the rally touched off violent clashes with police.

89.   Past efforts to hold such a border rally touched off violent clashes with police.

90.   Past police attempts to arrest union leaders often resulted in violent clashes.