Massacre gunman's arms haul

The gunman who killed 26 people, including 20 children, in a shooting spree in a US elementary school fired 155 bullets in less than five minutes. Court papers released reveal he also had several additional firearms not used in the attack.

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Sandy Hook gunman fired 155 bullets in five minutes

Adam Lanza fired 155 bullets in less than five minutes on the day he killed 20 children and six adults at Sandy Hook Elementary School, court documents have revealed.

NBC reports the total shots fired included 154 fired from a Bushmaster .223-model rifle and a final bullet, fired from a Glock 10mm handgun, that Lanza used to take his own life.

Gunman Adam Lanza killed 27 people including 20 children and his mother Nancy Credit: NBC News

Three Samurai swords were also recovered from the Newtown, Connecticut home that Lanza shared with his mother, authorities said as they released search warrants from the second-worst school shooting in American history.

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