51.   Eleven other students and two adults were wounded in the bloodbath that has once again raised questions about how to prevent such tragedies.

52.   Fabius and the two ministers have been accused of choosing not to purchase technology that would have prevented the tragedy.

53.   Floods and mudslides are common in Rio during the Southern Hemisphere summer, and some Brazilians blame the government for failing to take steps to prevent a tragedy.

54.   He added that the hotel would review its policies regarding using elephants and other animals to prevent future tragedies.

55.   He promised aid for the victims and said the government would use advanced technology such as remote sensing to prevent such tragedies in the future.

56.   He said the government would use advanced technology such as remote sensing to prevent such tragedies in the future.

57.   Hun Sen says he was forced to oust Ranariddh to prevent a tragedy in Cambodia.

58.   Information from Kafisha, the Israelis say, led them to a second bomb identical to the one planted at the Tel Aviv cafe and prevented another tragedy.

59.   The commission was created by Gov. Bill Owens in the months following the massacre to examine police response and learn what it could about preventing future tragedies.

60.   The European Commission has urged EU governments and Switzerland to move quickly to adopt new joint rules on tunnel safety in order to prevent more tragedies in the future.