Authorities say a Chicago firefighter responding to a car fire overnight was shot in the leg. Fire Commissioner Richard Ford II says firefighters arrived at the scene around 1 a.m. Sunday when someone began shooting. The firefighters took cover, but one six-year department veteran was hit in the lower left leg. The 36-year-old firefighter is expected to make a full recovery with physical therapy. Police have not made any arrests in the attack. The cause of the fire is under investigation.