21.   The unrest erupted again a few weeks ago and several prominent Muslim preachers have been detained.

22.   The unrest erupted again recently and several Muslim preachers have been detained.

23.   Unrest first erupted in January, when dodgy pyramid schemes into which many Albanians had sunk their savings began to collapse.

24.   Unrest erupted a year ago in Kabyle after a teen-ager was shot dead while in police custody.

25.   Unrest erupted a year ago in the mountainous Kabyle region after a teen-ager was shot dead while in police custody.

26.   Unrest had erupted at the campus Tuesday when radical black students protested against the appointment of a new, white rector.

27.   Unrest erupted after private taxi vans and buses blocked entrance routes to Harare and refused to carry commuters into the city center.

28.   Unrest erupted several times at the market in the past year.

29.   Unrest may erupt as the fuel price rise increases transport fares and the costs of many basic commodities.

30.   Unrest erupted over the weekend in an eastern Serbian prison, and two inmates injured in fighting among the convicts were transferred to a Belgrade hospital for treatment Monday.