21.   The protest erupted into a confrontation with police.

22.   The protest quickly erupted in passion.

23.   The protests have erupted with particular fury in Hebron.

24.   The protest erupted after students and faculty were beaten in a police assault on the campus.

25.   Then protests erupted.

26.   Violent street protests erupted there, and demonstrations at subsequent meetings have steadily escalated, culminating in the death of a protester here Friday.

27.   Violent protests erupted Friday in the coastal city of Karachi.

28.   When widespread protests erupted, Babangida resigned a day before he had promised to cede power to a civilian government.

29.   When protests erupt over news gathering, the usual complaint is that someone printed fiction instead of fact, rumor rather than truth.

30.   Pro-Iraq protests have erupted across the Arab world.