The standards set by the Biden administration aim to address a kind of pollution that isn't being controlled right now — leaks of toxic heavy metals and fine particles that don't come from a single point like a smoke stack. This pollution puts people living nearby at a greater risk for lung and heart problems as well as certain cancers.

The new standards were supposed to reduce a kind of pollution at steel mills that isn't being controlled right now — leaks of toxic heavy metals and fine particles that don't come from a single point, like a smoke stack.

This week's tornado outbreak across parts of the Midwest produced a short-lived tornado that swept through northwest Indiana before moving onto Lake Michigan as a waterspout, the National Weather Service said.