A man from the Denver metro area died and another is missing after a rafting accident in the Yarmony Rapids area of the Colorado River on Saturday, according to a news release from the Grand County Sheriff’s Office.

The Grand County Communications Center received reports of a person who was not breathing on the Colorado River, southwest of Kremmling, around 3:40 p.m. on Saturday. The sheriff’s office initially reported that the accident occurred in Gore Canyon, but it actually happened in the Yarmony Rapids area of the Colorado River, according to a Sunday update. Once on scene, first responders learned that there had been a rafting accident and that bystander CPR was in progress on an adult man, according to the release.

The man, 56-year-old Brent Boulter from the Denver metro area, was later pronounced deceased by emergency medical services personnel, the release states.

Another man had gone missing after the raft capsized, according to officials. Emergency responders searched the river and surrounding area for the missing man, 61-year-old Thomas Russell from the Denver metro area. Officials searched the river from Radium to Two Bridges again on Sunday but were unable to find him, according to a Sunday news release.

A third person from the rafting group safely exited the river after the accident, according to officials. According to preliminary reports, the two men were not wearing personal flotation devices, the release states.

Thomas was last seen wearing a blue fishing shirt and khaki shorts. Anyone with information should call 911.

Updated 5:55 p.m. Sunday, June 2, 2024: This article was updated to include the identifications of both men and additional information from another news release.

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