The man was captured in three minutes thanks to "citizen involvement," Grand Traverse County Sheriff Michael D. Shea said.

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.

Eleven people were injured in a mass stabbing at a Walmart store in Traverse City, Michigan, authorities said. CBS News' Cristian Benavides reports.