Apparent gas accident at Colorado farm kills six, including high school student

Investigators are looking into what kind of gases may have played a role at Prospect Valley Dairy in Keenesburg

An apparent accident at a dairy in a rural farming community in Colorado involving exposure to gas killed six people, including a high school student, authorities said on Thursday.

Investigators are looking into what kind of gases may have played a role in the deaths on Wednesday at Prospect Valley Dairy in Keenesburg, about 35 miles (55km) north-east of Denver. Crews recovered the bodies in a confined space at the dairy, the Southeast Weld fire protection district said.