(CNN)A 17-year-old lad died Saturday, and 4 others were wounded erstwhile they were stabbed portion riding interior tubes down a stream successful occidental Wisconsin, according to the St. Croix County Sheriff's Office.
Sheriff Scott Knudson told CNN aggregate witnesses called instrumentality enforcement erstwhile the stabbing occurred connected the Apple River adjacent Somerset, Wisconsin, and the victims and the fishy are believed to person been tubing. The onslaught happened Saturday afternoon.
"It was a tragic, shocking show for families floating down the river," helium said.
The victims were tubing with 2 antithetic groups, with a full of astir 20 people, according to CNN affiliate WLUK-TV. The tv presumption reports investigators are inactive moving to find whether the fishy knew the victims and what led to the stabbing.
Deputies were capable to find a suspect, a 52-year-old antheral from Minnesota, with the assistance of a witnesser who had taken a photograph of the person. WLUK-TV reported the fishy was arrested astir an hr and a fractional aft the stabbing portion helium was leaving the stream downstream.
Knudson said the suspect, who has not been identified, is successful custody.
A 17-year-old lad from Minnesota died successful the stabbing, and a pistillate and 3 men -- each of whom are believed to beryllium successful their 20s -- were critically injured. Two of the victims were flown to a infirmary successful the Minneapolis and 2 were taken determination by ambulance, WLUK-TV said. The names of the victims are besides being withheld astatine this time, according to a Facebook station from the sheriff's office.
Knudson said the Apple River is simply a fashionable destination successful the Minneapolis / St. Paul area. The onslaught occurred successful a conception of the stream astir 35 miles eastbound of Minneapolis, according to WLUK-TV.