People are now allowed to return to their homes after a toxic chemical was released from a train car. Hamilton County Emergency Management updated residents on the evening of Sept. 25 relating to the evacuation order caused by the release of Styrene gas,

There were concerns a dangerous chemical called styrene could explode after it leaked from a tanker car at a railroad yard.

A Train car in Hamilton County, Ohio had an open valve that leaked styrene and forced an emergency evacuation for anyone within a half mile radius of the area. (Credit: Aaron Vetter/Facebook)

Officials in Hamilton County, Ohio, on Wednesday, lifted the evacuation order that was put in place the night before over a chemical leak from a railcar. Hamilton County's Emergency Management and Homeland Security Agency previously told anyone within half a mile of the rail yard to leave the area immediately.

Authorities in Hamilton County, Ohio, said the rail car was leaking styrene, a toxic and flammable chemical that is used to make plastic and rubber.