A vapor cloud, a grocery store evacuation, and the odor of nail polish remover: What Ohio residents described to dispatchers ...

The toxic styrene leak near Cincinnati is one of many chemical spills that have polluted the air or water in or near Ohio.

A dangerous gas leak from a railcar halted school operations and caused immediate evacuations in Whitewater Township, Ohio.

Emergency officials said styrene was leaking from a rail car in Whitewater Township, Ohio, and warned of a risk of explosion ...

Residents near Cincinnati were urged to leave their homes due to the chemical leak as officials said there were concerns ...

A train car in Whitewater Township, Ohio, was discovered to be leaking styrene, which is used to make plastic and fiberglass ...

A chemical gas leak from a rail tanker in Whitewater Township, Ohio, prompted fears of an explosion and evacuation orders for ...

All evacuations were lifted in a western Cincinnati suburb Wednesday evening, a day after a chemical leak from a railcar.

A dangerous chemical leak in Ohio on Tuesday could ignite an explosion, officials warned.

Evacuation and shelter-in-place orders have been lifted after a dangerous chemical leak in Whitewater Township.

An evacuation order remains in effect for residents in an Ohio community as crews work at the scene of a dangerous chemical ...

: The image has been clarified for the evacuation area of half-mile radius. pic.twitter.com/Mv66wHwCss — Hamilton County EMA ...