Fire crews were dispatched to a dairy farm in Weld County on Wednesday evening for a "confined space rescue," the Southeast Weld Fire District said.

KEENESBURG, Colo. (AP) — Rescuers have recovered six bodies from a dairy on the Colorado plains, authorities said Thursday, but they didn’t immediately say what led to the deaths. Rescue crews entered a confined space at the dairy Wednesday and recovered the bodies, the Southeast Weld Fire Protection District said.

Six people are dead following a “dairy accident” on a farm in Weld County, Colorado. Emergency crews were dispatched to the farm for a “confined space rescue” on Wednesday evening, the Southeast Weld Fire Protection District announced on Thursday afternoon. There, crews “recovered six deceased individuals” from the space.