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Connecticut School Shooting: Father says student heard commotion over loudspeaker (VIDEO)

Ryan Lanza has been confirmed as the gunman in a deadly shooting at Sandy Hook Elementary School in Newtown, Conn., where at least 26 people were killed. John Miller reports.

(CBS) NEWTOWN, Conn. - Stephen Delgiudice, the father of a surviving third grade student at Sandy Hook Elementary School in Newtown, Conn., described to CBS News what his daughter heard over the loudspeaker from the principal's office.

PICTURES: Conn. elementary school shooting
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The announcement prompted a teacher to lock her classroom door.

A gunman killed at least 26 people at the school.