The Independent Police Complaints Commission says it will investigate South Wales Police's investigation into Ian Watkins, singer with Welsh rock group Lostprophets.
We received a referral from South Wales Police on 25th January 2013 relating to Ian Watkins. Following a thorough assessment I have decided that we will carry out an independent investigation.
As criminal proceedings are active, it would be inappropriate to publish further information at this time.”
Mr Watkins, 35, is charged with conspiring to rape a child and possessing and distribution of indecent images of children.
He is due to make a further court appearance in March.
More top news
North Wales Fire and Rescue Service say incidents of deliberate fires are more common during the school holidays.
Preparations for a world land speed record attempt are taking place at Pendine Sands . The official attempt takes place in Utah, America.
A dry night is expected throughout the country. During the early hours clear spells are likely to develop allowing the temperatures to fall.