21.   The speech was delivered in an atmosphere of extraordinary security.

22.   The technology convention, which runs through Friday, will be held under extraordinary security this year.

23.   This improvement is the result, child advocates say, of the extraordinary new security measures hospitals nationwide are taking to prevent kidnappings.

24.   Vice President Dick Cheney flew to Yemen on Thursday amid extraordinary security to press for joint efforts against remnants of the organization called al-Qaida.

25.   Woodward was also given extraordinary security.

26.   Palestinian leader Yasser Arafat visited the United Nations amid extraordinary security Thursday and urged the world body to help push along the Middle East peace process.

27.   Palestinian leader Yasser Arafat arrived at the United Nations amid extraordinary security Thursday to urge the world body to help push along the Middle East peace process.

28.   Debre said he intends to keep in force the Operation Vigipirate, the extraordinary security measures throughout France following a bombing last December.

29.   Even as the leaders gathered here under extraordinary security precautions, the air campaign against Yugoslavia, now in its fifth week, continued.

30.   Extraordinary security measures were in place, with thousands of police lining the streets.