Police responded to reports of an active shooter at Marjory Stoneman Douglas High School in Parkland, Florida on February 14. Videos from inside the school showed students being evacuated.Videos posted on YouTube from the auditorium inside the school show students taking cover as armed responders attempt to evacuate the building. Caleb King told journalists he is in ninth grade in the school and was in a computer programming class when the shooting began. He was evacuated safely by police. Credit: Caleb King via Storyful