A 16-year-old youth has been charged with the alleged sexual assault of a 14-year-old girl in Doonside last Saturday (February 8).
Detectives investigating the case charged him with one count of sexual assault when he presented himself to Blacktown police station yesterday.
He is one of six people police are seeking following the sexual assault of a girl in Bill Colbourne Reserve about 11pm.
The youth was interviewed by detectives and later charged with sexual assault.
He was refused bail and is scheduled to appear in court today (Friday, February 14).
Strike Force Tompo, comprising detectives from the Sex Crimes Squad and investigators from Blacktown Local Area Command, was formed to investigate the alleged sexual assault.
Detectives have received support from members of the public and are continuing to encourage anyone with information to contact Crime Stoppers on 1800 333 000 or use the Crime Stoppers online reporting page: police.nsw.gov.au.