Gov. Steve Bullock has ordered flags lowered to half-staff in honor of the victims of a school shooting in Texas. Bullock says the request came from President Donald Trump.

A teenager killed 10 people and wounded 10 more at a high school in the small city of Santa Fe on Friday. Bullock says this is the 13th time he's been asked to lower the flags for a mass shooting.  Bullock says he thinks the nation must work toward a future where such shootings are both illegal and unheard of.

The order calls for flags to remain at half-staff through Tuesday.

(The Associated Press Contributed to this Story)