51.   In April there were two bomb attacks at military bases in Lagos.

52.   In the terrorist attack at Luxor on Monday, Swiss citizens bore the brunt.

53.   Investigators looked to a cafeteria surveillance camera to settle suspicions that two gun-toting students did not act alone in their deadly attack at Columbine High School.

54.   Incidents like these and several high-profile attacks at sporting events in other states suggest that sports officials are increasingly becoming targets for retribution.

55.   It cannot banish tragedy, and last weekend, a seventh grader, Laigen de los Santos, suffered an asthma attack at her home.

56.   It was a Jenin man from that radical group, Mohammed Ahmoud Nasr, who carried out the terrorist attack at a cafe outside Haifa on Sunday.

57.   It was the first reported shark attack at the popular beach.

58.   Like commercial jets, private planes were grounded for two days after the terrorist attacks at the World Trade Center and the Pentagon.

59.   McCauley said when she first heard the news of the attacks at the World Trade Center and the Pentagon she could not stop crying.

60.   Ms. Townsend said that the purpose of the event was to discuss violence against women in the context of attacks at abortion clinics.