1.   But with the heightened terrorist threat, anything that could reduce risks, even slightly, is taking on significance, many other transportation and law enforcement officials said.

2.   He returned to his hotel for a shower and his daily intelligence briefings, which apparently included reference to heightened threats of terrorism.

3.   In this new era we face heightened threats that spill across borders.

4.   It was a reponse to the heightened threat of nuclear, biological or chemical attacks against American targets.

5.   Military troops have been visible on the street because of a heightened threat of terrorism.

6.   Milosevic, warned that NATO might strike over his failure to comply with an October cease-fire agreement, was under heightened threat because of his decision to expel Walker.

7.   Several alerts were issued at home and abroad about the heightened threat, they said.

8.   The company found a heightened threat of kidnapping in five places.

9.   It is expected to include modest tax cuts, higher minimum pensions and an increase in security and defense spending in response to the heightened terrorist threat.

10.   It said the U.S. government has indications of a heightened threat of terrorist incidents in Israel and the territories, parts of which are under Palestinian control.