31.   Bahrain has also blamed Iran for sparking riots early this year.

32.   But critics say increasingly severe punishment is what sparks riots in the first place.

33.   But IMF austerity programs in the past have sparked riots and social unrest as the belt-tightening hurt the poor the most.

34.   By nightfall Wednesday, embattled President Fernando de la Rua had declared a state of emergency, taking special powers to quell the unrest that sparked riots and looting.

35.   Citing reports from some villagers, Lt. Col. Afrizal Asyari, the Ambon-based chief of the local police, said the riot was sparked by two explosions.

36.   Civilian anger at the impasse has sparked riots in Monrovia, the Liberian capital.

37.   Civilian anger at the impasse sparked riots in Monrovia, the Liberian capital.

38.   Economic hardship sparked riots that helped oust former President Suharto in May.

39.   Economic hardships have sparked riots.

40.   Her killing sparked a riot that led to the ransacking and burning of the local police station.