Three bodies were found in a home east of Bozeman, Montana late Friday, police said.
Officers were sent to the residence after a 911 hang up call at around 5 p.m. (3 p.m.), Gallatin County Sheriff's Office said in a news release.
The home is on Golden Trout Way, on the eastern edge of Bozeman off Interstate 90, NBC Montana reported.
"There is no evidence to suggest that there is any threat to the public," the release said, adding: "Investigators will continue to work throughout the night."
No further information was available, but police said more was expected to be released at a Saturday news conference.