PLAINSBORO, NJ - The missing 17-year-old female has been located unharmed, police said Sunday.

Police were looking for Anna Qian, 17, after she went missing Friday afternoon, according to police.

Police did not say where or how she was located.

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She was last seen leaving West Windsor High School North after school around 2:50 p.m. Friday wearing a black or grey jacket, blue sweater, blue jeans and a "very large" backpack.

She was observed at the Princeton Junction train station allegedly asking people for money, police said.

Police said the teen may have been upset over a poor grade, but friends on social media said that reason may not have been accurate.

A similar incident occurred previously and she was located after only a few hours at a Starbucks a few towns away, according to police.