It happened at the 6000 block of Reach Street.
Police are searching for a suspect caught on surveillance video attempting to throw Molotov cocktails into a residence in Richmond.
Three men arrested earlier this week when police raided a Chicago apartment were being held on terrorism conspiracy charges Saturday stemming from allegations that they tried to make Molotov cocktails ahead of the NATO summit. Six others were also arrested Wednesday, including a Philadelphian, but were released Friday without charges being filed.
A Drexel University student is among three American students who have been arrested during protests in Cairo.