Gardaí are investigating serious allegations of a sexual assault of a school girl in Dublin. A Garda spokesperson told the Irish Examiner: "All five persons arrested and detained were questioned in respect of the alleged offence and have been released without charge, pending a file to the DPP." The juveniles were interviewed by specialist garda child interviewers. It is understood an alleged attacker sent the young girl a video of the assault. An Garda Síochána continue to investigate.