Young woman found shot dead inside West Philadelphia home: police

A homicide investigation is underway after police say a woman became the victim of a deadly shooting Saturday night.

The 22-year-old woman was found unresponsive in the living room of an apartment in West Philadelphia around 10 p.m. She was pronounced dead at the scene. 

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Police say there was no sign of trauma or blood, but a single shell casing was found in the hallway.

No arrests made as police investigate.