Flathead County authorities have made one arrest, hoping to make more, as they track down people involved in a wild free-for-all fight at a Kalispell boxing event.

The massive fight broke out Saturday night at the Majestic Valley Arena north of the city, where people had gathered for the "Flathead Valley Fight Night".

But the name's event turned into irony when a massive brawl started involving an estimated 50 people, including members of two rival motorcycle clubs that had come over from Washington State.

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Flathead County Sheriff Brian Heino says it was a "chaotic scene" when sheriff's deputies, along with Montana Highway Patrol troopers and Kalispell Police rolled into the scene after receiving multiple 9-1-1 calls. The sheriff says officers later determined two clubs, the Pagans, and the Warriors, both chapters from Washington, were in the middle of the fight.

Two people, a 16-year teen, and an adult man were taken to Logan Health Medical Center to be treated for injuries. Fortunately, no one else required medical attention, even with the large number of people involved.

Investigators subsequently arrested two women. One was cited for disorderly conduct and released. The second, identified as 36-year-old Brandi Laree Partney of Walla Walla, is charged with felony assault.

The Daily Interlake quoted prosecutors, who noted in court documents that Partney had been seen wielding a wooden baseball bat during the fight.

Heino says the entire incident is still being investigated, and his office is working with investigators in Washington to identify and locate additional suspects.

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