Columbine Observes 10-Year Anniversary of Massacre

Columbine High School near Littleton, Colorado, was closed today in observance of the Columbine massacre 10 years ago in which 12 students and one teacher were killed and two dozen others were wounded. The school held a sunset candlelight vigil to honor the victims, and visitors flocked to the Columbine Memorial near the school. To date, Columbine remains the most violent high school shooting incident on record.