71.   A second lawsuit alleged one student was killed by police gunfire.

72.   A week after the Columbine killings, a youth armed with a semiautomatic rifle killed one student and injured another at W.R. Myers High School in Taber, Alberta.

73.   A Yemeni high school student was killed and two injured after police clashed with pro-Palestinian protesters in the southern port city of Aden, witnesses said.

74.   A student was killed and a white farmer was shot and badly wounded during political violence over the weekend, witnesses said.

75.   A student was killed by a police bullet, sparking further protests.

76.   A tractor-trailer ran broadside into a school bus at the bottom of a steep interstate exit Thursday, killing two students and injuring six others.

77.   An exchange student was killed and three other Americans seriously injured in a car collision, police said.

78.   An independent investigation has concluded that one of the teen gunman in the Columbine High massacre killed a student whose parents have blamed police, a newspaper reported Wednesday.

79.   An Israeli tank shell hit a Palestinian elementary school Thursday, killing two students and wounding several others, a Palestinian security commander said.

80.   And Santana High School in Santee, Calif., ran programs to prevent violence, yet two students were killed in a shooting there in March.