1.   Although the man did not threaten Armey directly, the incident heightened police concerns about Capitol security.

2.   Friday, the streets of Washington Heights were calm, with a noticeably heightened police presence.

3.   Officials hope that a heightened police presence will deter pickpocketing and shoplifting, as well as more serious crimes.

4.   Around City Hall, there was also a heightened police presence.

5.   But a heightened police watch may inconvenience legitimate tourists and businessmen.

6.   The rash of holiday holdups, mostly in Athens, comes despite heightened police measures.

7.   For the past several days Paris has seen a heightened police and security presence, especially in sensitive areas.

8.   A resident said there had been heightened police patrols around Shiite areas, but no roadblocks.

9.   The three are to appear in a closed hearing at the court in Tunis later today under heightened police security, an AFP correspondent said.

10.   They were due to appear in a closed hearing at the court in Tunis later Saturday under heightened police security, an AFP correspondent said.