A 11-year-old boy was shot and killed near Radersburg on Thursday.
Broadwater County Sheriff Wynn Meehan said the investigation is ongoing, but an adult male was being questioned.
Emergency services attempted to transport the boy to an ambulance coming to Radersburg, but the boy died en route.
Gallatin County Sheriff's Office deputies are assisting in the investigation, Meehan said. Detectives from Broadwater County were processing two separate crime scenes near the town on Thursday night.
"Detectives are working both scenes," Meehan said.
Meehan said his deputies were working to get to the bottom of the incident.
"It's tragic," Meehan said.
This story was updated to correct the boy's age.