This is not in connection to Operation Yewtree
The 35-year-old has been charged with: Conspiracy to engage in sexual activity with a female under 13 and possession/distribution of indecent images of children.
Two women, aged 20 and 24 from Doncaster and Bedford respectively, have been charged with similar offences and are also due to appear in court. All three have been questioned at Cardiff Bay Police Station.
In order to assist their investigation South Wales Police has named the man as Ian Watkins, a member of the rock group Lost Prophets.