Three men in their early 20s were found dead Saturday afternoon (July 17) in their trailer at Michigan’s Faster Horses festival campgrounds, Rolling stone reports. Beside them were two other men alive, but unconscious and in critical condition, who were rushed to a local hospital by ambulance.

The tragedy is believed to be the result of carbon monoxide poisoning. Lenawee County Sheriff’s Office issued a statement Saturday, explaining that emergency medical responders and sheriff’s assistants responded to the scene after receiving a call to 911.

“According to Sheriff Investigators, the appellant was a friend of the five men and was concerned when he had not heard from them. This tragic incident is being investigated as an alleged exposure to carbon dioxide. carbon coming from a generator located very close to the caravan, ”he added. report states. “… First responders stress the importance of keeping generators away from camping areas.”

Meanwhile, Michigan State Police are also investigating a separate death. By a series of tweets, their investigation focuses on the death of Melissa Donna Havens, 30, whose body was discovered early Saturday morning on the grounds of the Faster Houses festival. Police have yet to announce Havens’ cause of death.

On Twitter, they shared a description of a person who was allegedly seen with Havens “within 24 hours of his body being located,” adding that “detectives want the public to know there is no danger or threat to those attending the Faster Horses Music Festival. “

Sunday afternoon (July 18), festival organizers had yet to comment on the deaths. The event kicked off Friday (July 16) and ends Sunday evening, closing the three-day festival with a performance by headliner Jason Aldean.

Earlier in the weekend, Thomas Rhett and Luke Combs were each headlining the main stage of the event for one night. Other artists at the Faster Horses Festival in 2021 include Jon Pardi, Kelsea Ballerini, Jimmie Allen, Riley Green and more.