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According to witnesses, the mother had just picked up her 8-year-old daughter at the dance studio, Seven Star School of Performing Arts.
The pick-up truck hit them as they were walking, pinning both against a building.
The daughter was killed, state police said. The mother was rushed to the hospital in "very bad shape," according to authorities.
Investigators said the driver of the pick-up truck was drunk. He was arrested at the scene. Charges were pending.
No names were immediately released.
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