A NSW teenager has been charged with sexually assaulting a girl younger than 10-years-old.
The alleged attack happened at Woolgoolga, in the state's north, in mid January, police say.
The youth was arrested on Friday afternoon and charged with having sexual intercourse with a child under 10 years and one count of indecent assault of a child under 16 years.
Bail has been refused, with the boy due before a court on Saturday.