A Walmart employee was helping a customer check out when she heard a warning that someone in the store had a knife.

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

In an ABC News exclusive, Derrick Perry recounts his confrontation and pulling his gun on the man accused of stabbing 11 ...

Multiple people were involved in stopping and detaining the suspect in Saturday's attack at a Walmart store in Traverse City.

A weekend stabbing spree at a Michigan Walmart initially left 11 injured, including six critically. As of the latest update, ...

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

Authorities say he attacked 11 people before bystanders confronted him in the parking lot until police arrived.

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

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

Bystanders helped subdue the suspect in the mass stabbing event at a Walmart near Traverse City, according to law enforcement ...