21. Police said an argument between supporters of rival parties sparked the riot. 22. A dock worker died a few days after cleaning the hold of the ship that transported the waste, sparking riots in Sihanoukville. 23. A Jewish extremist who sparked Palestinian riots by posting drawings of the Muslim prophet Mohammed as a pig on Wednesday was ordered back to jail for violating parole. 24. A loss could spark riots. 25. A month after the police shooting of an unarmed black man sparked riots, the Justice Department opened an investigation Monday into whether officers routinely use excessive force. 26. A police spokesman said the riot was apparently sparked when a gang of white youths attacked homes belonging to Asians in Oldham, on the outskirts of Manchester. 27. A recent peso devaluation and increases in the price of gas have sparked sporadic riots since December. 28. A sharp increase in bread prices sparked riots in August. 29. Also last month, the government imposed a dusk-to-dawn curfew in the southern city of Owerri after a series of alleged ritual killings sparked riots. 30. Attempts to build on a four-acre plot of land Moskowitz owns outside the Old City walls have sparked violent riots between Palestinian residents and Israeli troops. |