At least 11 people are in the hospital after a stabbing Saturday afternoon at a Michigan Walmart store.

Michigan State Police (MSP) said the Grand Traverse County Sheriff’s Office is investigating a mass stabbing incident at the Traverse City store, and one suspect is in custody.

Munson Healthcare, a nearby hospital, confirmed it is treating 11 victims.

Agents with the Federal Bureau of Investigation (FBI) are responding to provide support, according to FBI Deputy Director Dan Bongino.

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"Our thoughts are with all those affected by this event, and we are grateful to the first responders and law enforcement for their swift action," the hospital wrote in a social media post. "We are working closely with local authorities and emergency services to ensure the best possible care for those impacted."

The suspect's identity has not yet been released.

In a statement to Fox News Digital, a Walmart spokesperson said they are "working with police" and deferred questions to authorities.

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Officials asked the public to avoid the area, as the investigation is ongoing.

Traverse City is a small city in northern Michigan, about 140 miles northwest of Grand Rapids. It is situated by the water on Lake Michigan's Grand Traverse Bay.

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The Grand Traverse Sheriff's Office, Traverse City Police Department, Traverse City Fire Department and Michigan State Police did not immediately respond to Fox News Digital's request for comment.

This is a developing story. Please check back for updates.