21.   The decisive intervention helped avert a tragedy.

22.   The superintendent said some students knew about a feud between Knight and the suspect and students have begun to tell school officials about other feuds to avert future tragedies.

23.   Tragedy was averted on Sunday, thanks to an agreement by representatives of the two Hindu sects that the Niranjans would go in before the Junas.

24.   With more Chinese holidays ahead, officials in Beijing urged local authorities to check on safety measures in other public venues to avert further tragedies.

25.   A railway official earlier said a much worse tragedy was averted by diverting the train after the brakes failed.

26.   After a vociferous mediation bid to which the neighbours also added their voices, the police went away satisfied that a tragedy had been averted.

27.   Moments later, he had persuaded the Spetsnaz they had no other choice but to surrender, and another Chechen tragedy was averted.

28.   Reid, who has seen a draft of the report, insisted it does not say information that was received ahead of the attack could have averted the tragedy.

29.   The border guards defused a land mine on one path, averting further tragedy.