The girl arrived at Lincoln Hospital with a gunshot wound to the abdomen or shoulder just after 9 a.m.
Authorities say she was wounded inside her 11th floor apartment in the Paterson Houses, a city-run complex in the Mott Haven section.
Police are looking for a man wearing a black hoodie and a blue du rag.
This is breaking news, and the story will be updated as more information becomes available.
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