Chicago CRISIS

The Windy City's firefighters, medics and cops race against the clock in an explosive crossover

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The Windy City's emergency services are all stretched to the limit in the latest 'One Chicago' crossover event between franchise series Chicago Fire, Chicago Med and Chicago PD.

Across three episodes on Friday, beginning with Chicago Fire at 8pm, the first responders are called into action when a huge gas explosion threatens one of the city's buildings, with firefighters including Kelly Severide (Taylor Kinney) attempting to control the blaze and rescue hundreds of civilians.