A teenage girl has been charged with murder after her younger sister was found stabbed to death.
The 17-year-old was arrested after her 10-year-old sister was found with stab wounds at a house on Thurston Street at Boolaroo, in NSW, at 3.45pm on Monday.
The 10-year-old girl was treated by paramedics before she died at the scene.
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A teenage girl has been charged with murder after her younger sister was found stabbed to death
