An armed officer who was on duty at the Florida high school where 17 people were killed failed to confront the gunman during the attack, a local sheriff has said.
A man who hired a gunman to kill his mother and brother has had his death sentence commuted, less than an hour before he was set to be executed.
As Donald Trump appeared to suggest teachers should have guns to prevent mass shootings, creative writing teacher and US Navy veteran William Lapham rejects the idea of any teacher being armed.
Donald Trump appears to have backtracked on his suggestion that teachers should have guns to prevent mass shootings.
A church in Pennsylvania is inviting couples to bring their assault rifles to be blessed with them at a commitment ceremony.