5 dead in apparent carbon monoxide poisoning incident in Cache County

What happened

Five people were found dead in an apparent carbon monoxide poisoning incident at an apartment complex in Richmond, Cache County. Neighbors reported prolonged carbon monoxide alarm sounds, leading to an emergency response. Four children and an adult male were found deceased, and one adult male was hospitalized for possible carbon monoxide exposure.

Timeline

1. Oct 10, 10:31 AM KSL 5 dead in apparent carbon monoxide poisoning incident in Cache County
2. Oct 10, 4:16 PM Fox 13 Five found dead after possible carbon monoxide exposure at Richmond apartment
3. Oct 10, 4:18 PM KUTV 2News Five people found dead in Richmond tri-plex after neighbors hear carbon monoxide alarms
4. Oct 10, 4:18 PM KJZZ Five people found dead in Richmond tri-plex after neighbors hear carbon monoxide alarms
5. Oct 10, 4:56 PM Salt Lake Tribune 5 people — four of them children — found dead inside a northern Utah apartment
6. Oct 10, 5:16 PM KUTV 2News (YouTube) Cache County sheriff shares update on five suspected carbon monoxide deaths in Richmond

Written by Utah Relay from the reports below. The reporting belongs to the outlets named; follow the links for their full stories.