Singer Tulisa Contostavlos is due to appear in court charged in connection with the supply of Class A drugs in London.
The Crown Prosecution Service (CPS) announced last week that it had authorised the Metropolitan Police to charge the former X Factor judge with ''being concerned in'' the supply of Class A drugs.
She is due to appear at Westminster Magistrates Court in central London.
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The 47-year-old man died shortly after 3pm on Tuesday.
Specialist explosive detection dogs searched through the town examining letter boxes and phone booths for signs of potential devices.
Temperatures reached 29.1C in St James's Park, central London.