Gary Glitter, real name Paul Gadd, has been taken from his home in London by police for questioning.
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Investigators have released images of two more people they wish to speak to about the Hillsborough tragedy.
The number of reported anti-semitic incidents in the UK have increased by just over 50%, figures released by a charity have suggested.
Athletes competing at next years Summer Olympic Games in Rio de Janeiro will be using waters contaminated with human feces, a study finds.