Denver [USA]: One student died and seven more critically injured in a shooting at a school in suburban Denver in US state of Colorado on Tuesday. Two male suspects – an adult and a juvenile – have been taken into custody, authorities said.

The shooting started around 2 pm in STEM School Highlands Ranch which has over 1,800 students, said reports. The shooters walked inside premises and “got deep inside the school,” engaging students in two separate locations, Sheriff Spurlock said at a media brief, reported CNN.

“7 possibly 8 students have been injured. Two shooters in custody. SWAT still clearing school. Students being bused to Northridge Rec Center. Parents please have patience with reunification process,” initially tweeted the Douglas County (DC) Sheriff`s Office. Critically injured students were shifted to area hospitals.

Authorities later confirmed that an 18-year-old student died in the shooting: “It is with extreme sadness that we can confirm that 1 student at the STEM School was killed in today’s #stemshooting incident. The immediate family has been notified. Douglas County Coroner Jill Romann has not officially identified the student is stating it’s an 18-year-old male.”