Lostprophets frontman Ian Watkins has also been charged with the possession and or distribution of indecent images of children.
Detective Inspector Peter Doyle, of South Wales Police, has urged "anyone who has any concerns or information which they think may be relevant to contact us."
He added: "Safeguarding children involved in such cases is always a high priority and as such measures have already been taken."
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French firefighters have tamed one of the fiercest blazes to break out during four days of wildfires in the country's Mediterranean coast.
The parents of Maya Kantengule, 7, have paid tribute to their daughter who was found at the bottom of the pool at a friend's birthday party.
Staying unsettled over the next few days, with showers or longer spells of rain