Off-duty NSW Police superintendent charged with three counts of assault

A NSW Police superintendent has been charged with three counts of assault after intervening in an arrest while off-duty in Sydney's Inner West.

Police called to Stanmore on September 21 and three men were arrested and charged with assault and trespass offences.

During a review of evidence relating to their arrests, concerns were raised to the Professional Standards Command about the actions of a 55-year-old off-duty police officer.

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The off-duty superintendent allegedly became involved in the arrest, Acting Assistant Commissioner David Driver of the Professional Standards Command said.

"[Police] reviewed that material, including the CCTV, as a result of the review of the evidence a 55-year-old superintendent has been charged with three counts of assault occasioning actual bodily harm," Driver said.

The officer was attached to the Central Metropolitan Region.

The alleged victims sustained cuts and bruises, as well as a shoulder injury.

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The officer's employment status is currently under review.

"That will determine whether or not the officer remains in their normal duties, undertakes alternate duties or whether they are suspended," Driver said.

Driver said he was not aware of any previous matters involving the superintendent.