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

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

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

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

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.

"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.

TRAVERSE CITY, MI – Police have identified the man they believe entered a Walmart and stabbed 11 people at random. Bradford James Gille, 42, is in custody and awaiting arraignment on numerous charges in connection with the mass stabbing, police said at a press conference Sunday, July 27.