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

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.

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