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
West Ham's dramatic FA Cup win over Liverpool will go down as one of the club's greatest ever games, says Slaven Bilic.
Scotland will see a mixture of sunshine and showers today, with some showers turning wintry in places.
Two men seen as alternative voices to the US political establishment have won decisive victories in the New Hampshire presidential primary.