21.   Part of the appeal of raves is their spontaneous nature and the fact that they are kept secret until the last minute.

22.   But his arrival had been kept secret until last year, when his mother also defected to the West through Moscow.

23.   China kept that trip secret until after Kim returned home.

24.   Earlier, he addressed a conference of U.S., British and New Zealand intelligence officers in New Zealand that the government kept secret until a day after it finished.

25.   For security reasons, his identity was kept secret until his death.

26.   His arrival here had been kept secret until last year, when his mother also defected.

27.   His defection had been kept secret until Wednesday.

28.   His six-count war crimes and crimes against humanity indictment was kept secret until his arrest.

29.   His defection had been kept secret until Tuesday.

30.   His indictment had been kept secret until his arrest and Serb officials claim he was tricked into returning to the United Nations administered region before being arrested.