1.   Concern over possible terrorism was high because U.S. Navy aircraft had sunk two Iranian warships in the Gulf the same week as the Iranian grain ships entered the strait.

2.   Deputy Attorney General Eric Holder Jr. called a news conference Wednesday to assuage public concerns about possible terrorism.

3.   In fact, some experts say it may need to be reconfigured before it is opened again since it provides too easy access to possible terrorism targets .

4.   In fact, some experts say it may need to be reconfigured before it is opened again since it provides too easy access to possible terrorism targets.

5.   The blast followed months of warnings by US officials to Americans in Saudi Arabia of possible terrorism against US targets.

6.   Aside from possible terrorism, authorities want to head off protests against the United States.

7.   Beefed-up police patrols were visible in Moscow following a Kulikov-ordered security alert he pinned to possible Chechen terrorism.

8.   Bracing for any possible terrorism, authorities banned flights over the capital and sealed off subway stations and streets.

9.   Bracing for any possible terrorism, authorities ban flights over the capital and seal off subway stations and streets.

10.   Croatian radio announced a general alert in several nearby towns today and warned of possible Serb terrorism.