A police officer facing court over the alleged assault of former Greens candidate Hannah Thomas has been hit with a fresh charge.

Thomas was facing partial vision loss and underwent several surgeries after suffering facial injuries during an arrest at a demonstration outside SEC Plating in Belmore in Sydney's south-west in June.

A 33-year-old senior constable attached to a specialist command in the South West Metropolitan Region was charged with assault causing bodily harm about a month ago.

He was today additionally charged with recklessly causing grievous bodily harm and issued a notice to appear at Bankstown Local Court on November 18. 

The senior constable is being managed in the workplace, and his employment status is under review.

The NSW Police Professional Standards Comma

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