31.   Authorities have relaxed the heightened state of alert along the U.S.-Canadian frontier that was ordered last month amid fears of a terrorist bomb plot.

32.   Authorities were on a heightened state of alert through the early morning hours Sunday.

33.   British warplanes enforcing the no-fly zone over the region remained on a heightened state of alert.

34.   But the whole city is abuzz in a heightened state of fear.

35.   Clinton also ordered a heightened state of alert for all U.S. military installations around the world.

36.   Germany braced for more violence as Kurds prepared to celebrate their New Year, and put crack police forces on a heightened state of alert Wednesday.

37.   Israel is traditionally on a heightened state of alert around the holidays.

38.   Meantime, U.S. Marines and other service members at the Kandahar airport were on a heightened state of alert.

39.   Still, police are on a heightened state of alert, with special details posted at each of the monuments and memorials.

40.   South Korea ordered its military to a heightened state of readiness on the islands within the disputed zone, moving more soldiers and weapons into guard posts.