11.   Presumably, it would trigger Palestinian riots.

12.   Allegations of vote rigging triggered riots in several towns in East Java and nearby Madura island.

13.   Among the crowd were relatives of singer Lounes Matoub, whose death triggered riots across the mountainous region three years ago.

14.   Authorities said they did not know what triggered the riot.

15.   Blaise refused to take a reporter to the cells, saying media visits had triggered three riots.

16.   But they triggered violent riots in and around the northern Sumatra city of Medan and fueled student protests nationwide.

17.   But months later, when a currency crisis triggered high inflation and food riots in Harare, Mugabe again renewed the threat to seize land.

18.   Confrontations over traditional Protestant marches triggered widespread riots last summer and harmed police relations with the community, particularly the Catholic minority.

19.   Fans with tickets were then barred from the stadium, triggering the riot as the outraged supporters broke inside.

20.   Food shortages, spurring official or unofficial price increases, have in the past triggered food riots.