1.   The anti-crime campaign is not likely to stop the periodic violence.

2.   Pakistan has also been plagued by infighting between domestic political factions, and periodic violence between Sunni and Shiite Muslim groups.

3.   Periodic violence has continued.

4.   Burundi has been caught up in periodic violence for six years as majority Hutus and minority Tutsis fight for control of the country.

5.   Government forces cracked down on the militants in February, and hundreds of people were killed in the offensive, and in periodic violence since an October truce.

6.   Since then, there has been periodic violence in the region, mostly associated with the aftermath of the war.

7.   Stavropol, which borders the breakaway Chechnya region and other restive republics in the Caucasus, has been the site of periodic violence in recent months.

8.   The East African nation has become home to thousands of Hutu refugees who have fled periodic ethnic violence in neighboring Burundi.

9.   There are long-standing prejudices against Gypsies among many Romanians, and there has been periodic violence between groups of Gypsies and ethnic Romanians.