NSW teenager charged after boy stabbed

He was treated by officers and paramedics and taken to Liverpool Hospital where he is in a stable condition.

NSW Police went to a local fast-food restaurant where they arrested three boys and a man in a parked car.

A 16-year-old, two 17-year-olds and 21-year-old were taken to Fairfield Police Station for questioning.

One of the 17-year-olds was on Saturday charged with wounding a person with intent to cause grievous bodily harm, affray and breach of bail.

He was refused bail and will appear at a children's court on Saturday.

The other teenagers were released pending further inquiries.

The police investigation continues.