During a night of clashes between police and "occupy wall street" protesters marking the six-month anniversary of the occupation of New York's Zuccotti Park, citizen journalists captured an intense scuffle between police and a man who was identified as a "medic." From the video, it appears that the police smashed the man's head into a reinforced glass window.

The incident occurs at approximately 3:50 in the video embedded below:

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In separate incident, police officers can be seen tackling a woman: