Video: Connecticut school shooting: heroine teacher who kept children safe Twenty-seven people, including 20 schoolchildren, were killed in the shooting at Sandy Hook Elementary School in Newtown, Connecticut. Meanwhile, audio of a police dispatcher has emerged from the time of the rampage. "All units, the individual that I have on the phone is continuing to hear what he believes to be gunfire," a male voice is heard saying. Later, the voice is heard saying: "He is silent at this time. The school is in lockdown.