31.   Both countries, which accuse Kabila of failing to rid the common border of Rwandan and Ugandan rebels, say they will stay as long as Congo remains unstable.

32.   Both Haitian and Dominican authorities tightened security along their common border but the border remained open.

33.   Both countries say they have legitimate security interests in eastern Congo and accuse Kabila of failing to rid the common border area of Rwandan and Ugandan rebels.

34.   Both countries say they have legitimate security interests in eastern Congo, and accuse Kabila of failing to rid the common border area of Rwandan and Ugandan rebels.

35.   Both Uganda and Rwanda have claimed they have legitimate security interests to protect along their common western borders with Congo where rebels attacking both countries have bases.

36.   Both sides have reinforced defenses along their common border.

37.   Both Haitian and Dominican authorities tightened security along their common border.

38.   Burundian diplomats say there has been some cooperation between the two countries in patrolling their common border.

39.   Bulgaria and Romania have a common border with Serbia.

40.   Burma and Laos, which share a small common border, both have been trying to make the transition in recent years from command economies to free markets.