What you need to know

Two children, aged eight and ten, were killed and 17 people were injured in a shooting at a Catholic school in Minneapolis, Minnesota

Fourteen of the injured are children, ranging in age from six to 14 years old. Two of them were in critical condition

The gunman, in his early twenties, died from self-inflicted injuries

The suspect was identified as Robin Westman, 23, according to law enforcement sources quoted by NBC and CBS