Matthew Kolakowski was shopping with his daughter at a Michigan Walmart when he heard screams and saw a man with a knife.

Video shows an armed bystander confronting a knife attacker who allegedly injured 11 people at a Walmart in Traverse City, Michigan, on Saturday.

Stabbing suspect Bradford James Gille was subdued within minutes with the help of bystanders, authorities said.

A 42-year-old man entered the Traverse City Walmart around 4:43 p.m. on Saturday and used a folding knife to stab five men and six women, according to the Grand Traverse County Sheriff's Office.

"I'm still sitting and grappling with the weight of realizing that it was kind of a life-or-death moment," said Julia Martell, who witnessed the stabbing, which wounded 11 people.

A weekend stabbing spree at a Michigan Walmart initially left 11 injured, including six critically. As of the latest update, 10 people remain hospitalized and are being treated for their injuries, according to officials. The attack began at the Traverse City store around 4:43 p.m. local time on July 26.

At least 11 people were injured in a "multiple stabbing incident" at a Walmart in Traverse City, Michigan, officials said.

Michigan authorities say a suspect is in custody and that investigators believe those hurt Saturday were not specifically targeted.

Bystanders confront a stabbing suspect who injured 11 at a Walmart in Traverse City, Michigan.

The suspect at times went off on tangents about cigarettes filled with fiberglass and seeing videos about psychotropic drugs.