Multiple injuries have been reported at a STEM school in Colorado, the Douglas County Sheriff announced on Tuesday.
The sheriff said it is "still an active and unstable scene."
BREAKING: Sheriff's office: Multiple students injured in Colorado school shooting; 2 suspects in custody and still… https://t.co/zFn0JUjbS3— NBC News (@NBC News)1557262733.0
CBS Denver is reporting there are at least four shooting victims.
Three medical helicopters have been on scene.
"South Metro Fire Rescue confirmed that they have numerous units on the scene to help and encourage drivers to leave streets open for emergency vehicles," KDVR-TV reported.
"The STEM School Highlands Ranch, a K-12 school, is on lockdown and all other schools in the area are on lockout. The school is located at 8773 S. Ridgeline Blvd. in Highlands Ranch," 9 News explained.
LATEST: Authorities say two suspects in custody, multiple students hurt at STEM School; authorities are clearing the school room-by-room.— Denver7 News (@Denver7 News)1557262696.0
#stemshooting 7 possibly 8 students have been injured. Two shooters in custody. SWAT still clearing school. Studen… https://t.co/jLQVFLhdo3— DC Sheriff (@DC Sheriff)1557264928.0
What we know about the shooting at STEM School Highlands Ranch: - 2 suspects in custody - "Multiple" students inju… https://t.co/7YwpJ2aID5— Denver7 News (@Denver7 News)1557263532.0
Third medical chopper lands between C470 and Plaza Dr near STEM School where shooting happened. #9News https://t.co/t8sfbhVT2l— Ryan Haarer (@Ryan Haarer)1557263436.0
@CBSDenver now reporting at least 4 victims- two at two different hospitals. #stemshooting https://t.co/oAJ8u59yGY— Brian Maass (@Brian Maass)1557263255.0
Look at part of massive response to #STEMshooting https://t.co/XwneMvtpRo— Chris Vanderveen (@Chris Vanderveen)1557263188.0
#BREAKING: Shooting At STEM School Highlands Ranch - multiple students injured - still trying to identify and locat… https://t.co/Oe18pUfUZY— CBSDenver (@CBSDenver)1557263343.0
UPDATE: The sheriff released a statement saying that at least one student has died.