President Trump orders U.S. flag be flown at half-staff through Aug. 31.

The proclamation was issued after 2 children were killed and at least 17 injured in a shooting at Annunciation Church in Minneapolis, Minnesota.

The proclamation was issued as a "mark of respect" for the victims.

President Trump has ordered across the United States as a mark of respect for victims of the "senseless acts of violence" that took place in Minnesota on Aug. 27.

and at least 17 were injured when a shooter fired through the windows of Annunciation Church in Minneapolis. Young students were at Mass at the time of the shooting, authorities said.

Here's what you should know and the latest news about the shooting in Minnesota.

Why are flags flying at half-staff today?

Hours after the shooting, Trump issue

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