31.   The riot began after the court postponed the cases until October, apparently because two witnesses changed their testimonies and would no longer identify the accused.

32.   The riot began on Thursday after inmates, suspected members of outlawed leftist and Kurdish groups, started a fire.

33.   The riot began when prisoners refused to return to their cells after watching a televised boxing match, Luncheon said.

34.   The riots began as protest against a possible U.S. attack on Iraq over the issue of U.N. weapons inspections.

35.   The riots began Sunday in Sremska Mitrovica, after Serbian inmates learned authorities were considering amnesty for ethnic Albanian political prisoners and accused the government of discrimination.

36.   The riot apparently began as a protest by the prisoners over the extension of administrative detentions and rough treatment of visitors at the hands of prison guards.

37.   The riot apparently began as an argument that broke out between two students as school guards checked the dormitory after a false fire alarm.

38.   The riot began after guards foiled the escape attempt.

39.   The riot began after Ireland scored the opening goal in the match at Lansdowne Road.

40.   The riot began Saturday afternoon at the Centro de Observacion y Evaluacion de Menores in the north side of this capital when the inmates protestes poor living conditions.