Dozens of people trapped when tornado collapses FedEx building in Michigan

Severe thunderstorms bring hail and structural damage, with tornadoes hitting cities including Kalamazoo and Battle Creek

Tornadoes that hit Michigan on Tuesday evening ripped the roof off a FedEx building in Portage, partially collapsing the structure and trapping 50 people inside, Kalamazoo county authorities said. Elsewhere in the state, thousands of residents are without power and face a deluge of hail and tornado warnings amid severe thunderstorms.

TAKE COVER NOW," the National Weather Service in Grand Rapids warned in a post directed at Portage residents on their Facebook page.