21.   The issue has sparked violence in the past, but no trouble was reported during the voting.

22.   The issue has sparked a controversy in Spain making front-page and headline news in newspapers and radio and television bulletins Saturday.

23.   The issue has sparked a controversy in Spain making front-page and headline news in newspapers Saturday.

24.   The issue sparked riots in militant parts of Northern Ireland in July, Protestant and Catholic alike.

25.   The issue sparked an extraordinary meeting of the Tuen Mun District Committee of the Provisional Regional Council yesterday.

26.   The prisoner issue has sparked almost daily West Bank riots between Palestinian stone-throwers and armed Israeli forces and has led to the deaths of two Palestinians.

27.   While some fans staged on-field protests at the changes and threatened legal action, the issue even sparked an emotional debate in Parliament.

28.   While economists are notorious for disagreeing among themselves, seldom has a single issue sparked more divergent views.

29.   The piracy issue has sparked periodic tensions between China and the United States.

30.   The dangerous dog issue sparks regular public debate in Britain.