1.   America suffers from periodic outbreaks of xenophobia.

2.   Finally, Turkey seeks to compete in strength with Greece, with which it has had periodic outbreaks of warfare over disputed Cypress.

3.   The disease is endemic in parts of Asia, Africa, the Middle East and South America, where periodic outbreaks occur, sometimes with severe economic consequences.

4.   There is almost no contact between the two, and the bitterness that divides them is reflected in periodic outbreaks of violence along the border.

5.   Experts say sniffing has been characterized by periodic outbreaks that crop up, ricochet across the country, then drop off.

6.   Recently Spain has suffered periodic outbreaks of the highly contagious - and usually fatal - swine fever, which only affects pigs.

7.   Burundi, traditionally ruled until last year by the Tutsis, has also seen periodic outbreaks of mass bloodshed.

8.   The tribal-dominated district is known as an ethnic powderkeg with periodic outbreaks of violence ensuing from tensions between Bodos and settlers and Bodos and native Assamese.

9.   Lai pointed out that it was despair that caused the periodic outbreaks of violence in the detention centres.