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CENTENNIAL, Colo. There is an active shooting situation with at least two possible victims at a Colorado high school, according to Arapahoe County Sheriff Grayson Robinson.

The shooter is reportedly still inside Arapahoe High School in Littleton, a suburb of Denver.

Dozens of students have been seen walking out of the school with their hands above their heads.

The school is about 8 miles east of Columbine High School, where two teenage shooters killed 12 classmates and a teacher before killing themselves in 1999.

All schools in the area are in lockdown mode.

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