Nearly a dozen people were stabbed at a Walmart in Traverse City, Michigan, Saturday afternoon, in what police are calling a “random” act by a lone attacker. Six of the injured were still in critical condition hours later.

TRAVERSE CITY, Michigan — Eleven people were stabbed at a Walmart in Traverse City on Saturday — with six in critical condition — in what a Michigan sheriff said appeared to be a random act. A suspect was in custody, authorities said.

Authorities in Michigan say a man entered a Walmart in Traverse City on Saturday afternoon armed with a folding knife and stabbed 11 people before being taken into custody.