21.   Rival Shiite Muslim students clashed Tuesday at a Beirut campus with knives, bottles and sticks, injuring five policemen and four students.

22.   Since then, students have regularly clashed with security forces.

23.   Seventy Islamic students clashed with police after some lobbed stones and firecrackers over an embassy fence.

24.   Stone-throwing students clashed Friday with police who fired tear gas and clubbed protesters.

25.   Students clash with police for second day.

26.   Students have clashed violently with police in recent weeks.

27.   Some one-thousand university students clashed with police in the capital Managua during a protest against a presidential veto that will cut the university budget.

28.   Students have been clashing almost daily with police since Friday.

29.   Students also clashed with police outside parliament.

30.   Students clashed with Israeli troops and protested the Israeli military order that kept the institution closed for the past nine months.