A dangerous chemical leak in Whitewater Township prompted a half-mile evacuation order for people in the area, according to Hamilton County emergency management and fire officials.The incident is happening on US 50,

The styrene leak from a railcar in the Cleves and Whitewater Township area has stopped, but officials said an evacuation order remains in place and roads will remain closed.

Officials said they're worried about a "possible explosion" after a train carrying styrene leaked Tuesday afternoon, spurring evacuations in the Cleves and Whitewater Township areas.