3 a.m. EDT

A fire official says a severe storm badly damaged at least four houses and knocked down dozens of trees and power lines in an area about 25 miles southeast of Saginaw.

The National Weather Service received reports of a tornado Monday night near Millington in Tuscola County. Jeff Bassett with Millington Fire Department tells the Saginaw News a few people were being treated for minor injuries.

Weather officials were also working to confirm whether a tornado touched down in rural Sanilac County. Sheriff Garry Biniecki told The Flint Journal that his office had gotten reports of damage near Decker, Argyle and Forester.

Earlier Monday, the weather service confirmed a tornado hit Portland, a town near Lansing. Five people were rescued from buildings.