The profile of the perpetrators of mass shootings 6:11
(CNN) --
One student is dead and another injured after a shooting at a school in Richfield, Minnesota, authorities announced Tuesday.
"This is a tragic day in the city of Richfield," Police Chief Jay Henthorne said during a news conference.
The shooting happened shortly after noon Tuesday at the South Education Center, the chief said, and when officers arrived they found two students who had been shot on a sidewalk outside the school.
The suspects fled the scene immediately after the shooting, the chief said.
Both students were taken to a nearby medical center and one of them succumbed to his injuries, the chief added.
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The other student remains in critical condition, the chief said.
Law enforcement officials are searching for the suspects but have determined there is no additional threat to nearby schools and the area.
The incident is under investigation.