The 18-year-old woman said he touched her inappropriately Wednesday. Police say he was arrested a short time later on charges of sexual abuse.
It's not clear if the suspect, Tone Iketubosin of Brooklyn, has an attorney. He was believed to also be a demonstrator there. He was being questioned at the First Precinct and police say he may be linked to other attacks.
Also Wednesday, police removed the barricades from around the protesters in response to help area merchants who claim business is down as a result of the protesters.