Sandy Hook Elementary School shooting: Twenty-eight people, including the gunman, are killed in Sandy Hook, Connecticut.

On December 14, 2012, a mass shooting occurred at Sandy Hook Elementary School in Newtown, Connecticut, United States. The perpetrator, 20-year-old Adam Lanza, shot and killed 26 people. The victims were 20 children between six and seven years old, and 6 adult staff members. Earlier that day, before driving to the school, Lanza fatally shot his mother at their Newtown home. As first responders arrived at the school, Lanza killed himself with a gunshot to the head.

Sandy Hook is a village in the town of Newtown, Connecticut, United States, founded in 1711. It was listed as a census-designated place prior to the 2020 census. According to the United States Census Bureau in 2021, it has a population of 9,114.