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A man has been charged over the alleged sexual assault of a teenage girl in Sydney's north west.
Police allege the 24-year-old sexually assaulted the 15-year-old girl at a home in Castle Hill on Wednesday.
He was arrested in Castle Hill on Friday and charged with two counts of aggravated assault, indecent assault and act of indecency.
He was refused bail to face Parramatta Bail Court on Saturday.
