The firefighter was taken to Swedish Covenant Hospital with leg pain.
A Chicago firefighter was injured early Tuesday at a fire at a vacant apartment complex in Albany Park on the Northwest Side.
Fire crews responded to a building in the 3300 block of West Cullom Aveune around 3:30 a.m., Chicago police said. The fire was struck out about 30 minutes later.
A firefighter was taken to Swedish Covenant Hospital with leg pain, according to fire officials.
An investigation into the cause of the fire was ongoing.