11.   The killings were followed by riots in Colombo, in which thousands of Tamils were killed and thousands fled to the north and east.

12.   The food riots followed massive demonstrations late last year which forced the government to withdraw tax increases.

13.   The March riots followed a suspected rightist attack at an Alawite coffee house.

14.   The riot followed a small, peaceful parade demanding independence from Indonesia.

15.   The riot follows a series of violent protests on Friday.

16.   The riot followed two days of sporadic violence in which at least six inmates were injured.

17.   Further riots follow in following days.

18.   Further riots follow in coming days.

19.   The riot follows an escape from Reclusorio Oriente prison in Mexico City late Sunday in which two people died and four were injured.

20.   The riots followed the arrest of a Shiite Moslem cleric, Sheikh Ali Salman, who studied theology in the Iranian holy city of Qom.