31.   Janowski quoted local officials as saying they did not release their last food stocks from warehouses for fear causing a riot.

32.   Just two weeks ago, supporters and opponents of the government faced off in downtown Caracas, causing a riot.

33.   Most prisoners remain outside their cells most of the time, helping reduce tensions that might otherwise cause a riot, Robleto said.

34.   Palestinian leader Yasser Arafat warned in an interview broadcast Friday that the six-month Israeli blockade of the Palestinian areas could cause food riots.

35.   Prosecutors said the action could have caused riots in the stands, because of the bitter debate over Turkish treatment of its Kurdish population.

36.   She said it was not yet known what caused the riot.

37.   The event caused a riot.

38.   The move was sure to help ease the overcrowding and tension between Greeks and Albanians in Greek prisons that has caused frequent riots.

39.   The protest comes two weeks after supporters and opponents of the government faced off in downtown Caracas, causing a riot.

40.   They also said the abbot feared his presence might cause a riot.