(NBC News) One student was killed and eight people were injured when two suspects opened fire inside a Colorado school Tuesday.
An 18-year-old male and younger female were arrested shortly after the shooting at the STEM school in the Denver suburb of Highlands Ranch.
“Two individuals walked into the STEM school, got deep inside the school and engaged students in two separate locations,” Douglas County Sheriff Tony Spurlock said.
Several of the wounded were in critical condition late Tuesday.
The STEM School Highlands Ranch has just over 1,800 students from elementary, middle and high school grades.
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