Minneapolis' Police Chief says they'll be working to make sure schools are protected following a shooting which killed two children.
Eighteen people were also injured when a gunman shot through church windows at Annunciation Catholic School, before turning a gun on himself.
The FBI's investigating the shooting as an act of domestic terrorism and hate crimes targeting Catholics.
US Correspondent Richard Arnold told Mike Hosking a survey reveals that in the last year, there were at least 91 shootings on school grounds – almost two a week.
He says the leading cause of death for children and teenagers in the United States is not illness or accidents, it’s gun violence.
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The Mike Hosking Breakfast