It happened just after 10 pm Tuesday outside of a home on Merced Avenue near First Street.
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Police say the block was filled with people celebrating the 4th of July, when a vehicle drove through the area, and someone inside opened fire.
A woman in her 40's was holding a baby, when she was struck by gunfire.
Investigators say she may have dropped the baby when she was hit, though the child was not hurt.
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The woman is expected to survive.
Avenal police searched a home near Hydril Road & Armona Avenue, where they arrested the 17-year-old.
They will be facing charges of attempted murder.
EDITOR'S NOTE: The video above is from a previous broadcast and will be updated.