What we know: Dangerous chemical leak prompts evacuation in Whitewater Township WLWT CincinnatiUPDATES: Chemical leak from train car in Whitewater Twp. stops; evacuations remain WLWT CincinnatiOfficials: Styrene leak in Cleves, Whitewater Twp. has stopped; Evacuation order still in place WCPO 9 CincinnatiDangerous chemical leak spurs evacuation order in Ohio town The Associated PressThree Rivers schools evacuated and closed due to gas leak WKRC TV Cincinnati