A serving police officer has been charged with assault over the arrest of a man in Sydney's northwest.
Professional Standards Command have been investigating the alleged incident, which occurred on September 5 last year, and on Thursday charged a male senior constable.
The officer, attached to a command in the city's northwest, was issued with a court attendance notice on Thursday for the offences of assault occasioning actual bodily harm and common assault.
He is due to appear before Parramatta Local Court on Thursday May 20.
The man's current employment status is under review, NSW Police said in a statement.