Woman was struck in her head by a concrete slab that fell from a building in Philadelphia PA. The 30 year old victim is in critical condition after the accident. Injured woman was transported to Jefferson Hospital immediately after the Philadelphia personal injury accident. The devastating incident occurred on the 200 block of S 13th and Chancellor Streets in the Center City section of Philadelphia Pennsylvania. A woman was hit by a falling object after 9am on Wednesday near Walnut Street and Walnut Square.