Editor's note: Click to access our latest post about this incident, "Highlands Ranch STEM School Shooting Update: One Dead, 8 Hurt, Shooter ID'd." Continue for our previous coverage.

One person died and at least eight students were injured, several seriously, after shots were fired just before 2 p.m. in the middle school at STEM School in Highlands Ranch today, May 7, according to the Douglas County Sheriff's Office.

An unidentified adult and a juvenile male, both STEM students, are in custody.

The Douglas County Sheriff's Office tipped off the public to the incident at 2:04 p.m., when it tweeted this: "Unstable situation, shots fired at STEM school at Ridgeline and Plaza. Avoid area. Media go to north side of AMC."

The K-12 public charter school, formally known as STEM School Highlands Ranch, serves over 1,850 students and is part of the Douglas County School District.

Updated at 6 p.m.: This story has been updated to reflect that one person died in the shooting.

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