A group of bystanders, including a man armed with a firearm, rallied together to help stop a suspect who stabbed 11 people at a Walmart in Traverse City, Michigan, on Saturday. (Chris O'Brien via Stor

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.