Officials are urging witnesses to come forward as they search for the shooters who fired into a Philadelphia crowd, leaving 3 dead and 11 wounded.
Mandatory Credit: Michael Perez/AP
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Witnesses are urged to come forward after shooters left 3 dead and 11 wounded in a Philadelphia crowd
A night of revelry on Philadelphia's South Street turned chaotic Saturday as gunmen opened fire into a crowd, leaving three people dead and 11 wounded in one of at least 10 weekend mass shootings across the United States.
