Columbine survivors mark twentieth anniversary of massacre
Survivors of the Columbine High School shooting have been speaking at a remembrance ceremony in Denver to mark the twentieth anniversary of the massacre.
Twelve students and a teacher were murdered by two teenagers.
One former student, Patrick Ireland, who was injured by bullets, said no one from the school or surrounding community had emerged unscathed.
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The event was the culmination of three days of commemorations. Earlier, members of the public left flowers and cards at a memorial to the victims.
Columbine students and staff also marked the day by taking part in community service projects.