Chicago firefighter seriously injured while battling fire in Burnside, CFD says

CHICAGO (WLS) -- A Chicago firefighter was injured while battling a fire on the city's South Side on Friday night, CFD said.

The fire broke out at around 9 p.m. near 90th and Langley in the city's Burnside neighborhood, the fire department said.

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The injured firefighter was transported to University of Chicago Hospital in serious to critical condition, CFD said.

CFD did not say how the firefighter was injured.

A cause of the fire is not yet known.