She was found shot in the leg at 6th Street and Lehigh Avenue in North Philadelphia just before 2 a.m.
Police found evidence of a shootout about a half block away at Marshall Street.
Police also say a bullet went through a second-floor window of an apartment building, narrowly missing a woman who was sleeping.
The incident was caught on real-time surveillance cameras, which they are checking for evidence of the shooting.
The woman is at Temple Hospital and is in stable condition.
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