A firefighter was injured after being attacked by a large group of youths throwing stones in the vicinity of the Valley Park, Newtownabbey.
It happened shortly after 9.40pm on Thursday.
Officers from the Northern Ireland Fire and Rescue Service were attending a call in the area when they came under attack by youths throwing stones.
One of the firefighters sustained a shoulder injury when he was struck with an object.
Neighbourhood Policing Team Inspector, Emma Spence condemned the anti-social behaviour. She said nobody comes to work expecting to be assaulted.
“This firefighter had been carrying out his duty and serving our local community in order to protect property, prevent danger to the public and reduce any further risk of injury.
“If you have information in relation to who was responsible for this incident, please have the courage to come forward and provide information,” she said.
“Our enquiries are continuing and we would appeal to anyone with any information or who may have footage of this incident to contact police on 101, quoting reference number 2017 of 21/04/22.”
Alternatively, you can submit a report online using the non-emergency reporting form via www.psni.police.uk/makeareport/. You can also contact Crimestoppers anonymously on 0800 555 111 or online at www.crimestoppers-uk.org/.