Gary Glitter has been accused of six indecent assaults, sex with a girl under 13 and of administering a drug to facilitate sex.
The former glam rock star will appears in court on 19 June.
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The soldiers who trained there left their names and messages on the walls of the tunnels.
Researchers were shocked to find the so-called Sussex Declaration hidden away in a record office.
The Hollywood star reportedly looked like he "switched into superhero mode" as he chased the suspect near his home.