Whitewater Twp. chemical leak: Evacuation orders remain in place as crews work overnight following chemical leak WLWT CincinnatiOhio train chemical leak causes evacuation orders NBC NewsOfficials: Evacuation still in place, roads closed after styrene leak in Cleves, Whitewater Twp. WCPO 9 CincinnatiChemical Leak From Rail Yard Near Cincinnati Prompts Evacuations The New York TimesDangerous chemical leak spurs evacuation order in Ohio town The Associated Press