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.

Questions remain after a man went on a rampage at a northern Michigan Walmart on Saturday, stabbing 11 people in Traverse City. The suspect is expected in court on Monday.