NEW BRUNSWICK, N.J. (CBSNewYork/AP) — Authorities say a man charged in a brutal attack of a college student has surrendered.

Middlesex County Prosecutor Andrew Carey said Saturday that 37-year-old Michael Knight turned himself in on Saturday to face charges in the attack on Rutgers University’s New Brunswick campus this month.

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He has been charged with aggravated assault, attempted aggravated sexual assault, kidnapping and other charges. Knight was being held on $1 million bail and it wasn’t immediately known if he had a lawyer to comment on the charges.

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Authorities say he struck the woman on the head, severely beat her and was attempting to sexually assault her when a group intervened around 3:30 a.m. on May 4. They say he threatened to shoot a man that attempted to chase him.

The woman was treated and released from a hospital.

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