Former pupil killed six in shooting at Nashville school

The latest fatal shooting at an elementary school in the United States was carried out by a 28-year-old former pupil, according to police. (John Amis/AP)

The latest shooting at an elementary school in the United States which killed three children and three adults was carried out by a 28-year-old former pupil, according to police.

Police named the gunwoman as Audrey Hale, who they said was transgender and carried out the attack after drawing a detailed map of The Covenant School in Nashville and conducting surveillance of the building.