Kolakowski said that as he and the other shoppers surrounded the man in the Walmart parking lot, it was clear that something was not right. He described the man as wild-eyed and sweating heavily and describing those in the store as “bad, like he was making an excuse why he stabbed everybody.”

TRAVERSE CITY, Mich. (AP) — At least 11 people were stabbed at a Walmart in Traverse City, and a suspect was in custody, authorities said Saturday. Munson Healthcare said via social media that 11 people were being treated at the region’s largest hospital in northern Michigan, and spokesperson Megan Brown said all were stabbing victims.

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