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

An evacuation order was issued shortly after styrene, a toxic and flammable chemical that is used to make plastic and rubber, ...

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

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

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

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

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

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

A dangerous chemical leak from a rail car has spurred an evacuation order in an Ohio town. Hamilton County Emergency Management issued the order Tuesday for Grandview.

Residents in an Ohio community where a dangerous chemical leak occurred have been allowed to return to their homes.

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

Evacuation and shelter-in-place orders are in place Wednesday in a western Cincinnati suburb after a dangerous chemical leak ...