Six people were found dead Wednesday night at a dairy farm in Northern Colorado, officials said.

According to the Southeast Weld Fire Protection District, the six victims were discovered at about 6 p.m. local time after crews were dispatched to a confined space rescue. One of those victims was a high school student who attended Highland High School, Weld RE-9 School District confirmed.

CBS Colorado's helicopter flew over Prospect Valley Dairy. CBS

The Weld County Coroner's Office told CBS News Colorado that preliminary findings indicated some kind of exposure to a gas at Prospect Valley Dairy, located east of Keenesburg and south of Deadman Road.

The coroner's office said that the victims were all identified as males. Five victims are adults, and the other victim was the student wh

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