Five boys aged between 13 and 14 have been charged with rape, West Yorkshire Police said.
Two boys aged 13 and three aged 14 have all been charged with the rape of a child under 13.
Two of the accused, one aged 13 and one 14, have been charged with two counts of rape of a child under 13, while another, aged 13, has been charged with one count of rape of a child under 13 and sexual assault of a child under 13.
The other two, both aged 14, have been charged with one count of rape of a child under 13.
Police said the charges relate to two alleged incidents involving the same person in the Calderdale area in July last year.
More top news
The mother of an ex-girlfriend of Arnis Zalkalns has told ITV News her daughter is "in shock" over his connection to the Alice Gross case.
A pilot scheme involving major record companies will begin this Friday. It is expected 20% of videos will be subject to a ratings warning.
Ever seen anything more eccentric? Bizarre innovations unearthed by a historian spanning 100 years.