Detectives from the State Crime Command’s Child Abuse and Sex Crimes Squad commenced an investigation after a three-year-old boy presented at Shoalhaven Hospital with injuries on October 3.

It will be alleged in court the boy had been assaulted by a man known to him at a home in the Shoalhaven region.

Following inquiries, police will allege the man also assaulted a 10-year-old girl and two seven-year-old girls, who are all known to him.

About 9.30pm on Tuesday, October 9, a 30-year-old man was arrested at a property in the Shoalhaven region and taken to Nowra Police Station.

He was charged with two counts of cause grievous bodily harm to person with intent, three counts of common assault, two counts of assault occasioning actual bodily harm, and stalk/intimidate intend fear physical harm.

The man was refused bail to appear at Nowra Local Court on Wednesday, October 10.

The Child Abuse and Sex Crimes Squad is comprised of detectives who are specially trained to investigate matters against children and adults, including sexual assault, serious physical abuse, and extreme cases of neglect.

Anyone with concerns about suspected child abuse or exploitation should call Crime Stoppers on 1800 333 000 or use the Crime Stoppers online reporting page: https://nsw.crimestoppers.com.au

Information you provide will be treated in the strictest of confidence. People should not report crime information via the police Facebook and Twitter pages.