Blurred out pornography website
Media playback is unsupported on your device
Video

No 10 summit to tackle web porn and images of child abuse

Internet firms are to meet ministers at No 10 amid calls for more to be done to block images of child sex abuse and to stop children viewing pornography.

Prime Minister David Cameron has said more can be done to remove illegal material from the web and steer children away from legal adult content.

Labour says voluntary controls are not working and parental authority has been undermined by technological change.

Sanchia Berg reports for Newsnight.

Go to next video: Should Google restrict all pornography?