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Ammonia leak closes O’Hare Airport train station

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CHICAGO (AP) _ Authorities have shut down the Chicago Transit Authority train station at O’Hare International Airport because of an ammonia leak.

The Chicago Fire Department says there are no injuries and it is continuing to investigate the source of the leak.

Police evacuated the station platform around 9 a.m. Thursday in response to a strong ammonia smell in the area.

CTA spokeswoman Lambrini Lukidis says the agency is stopping Blue Line trains at an earlier station, in Rosemont, and busing passengers to and from the airport.

She says the CTA has not been given any indication of when the station will be allowed to reopen.