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.
More top news
The London Mayor insisted he was "not saying that nationalists are somehow racist or bigoted" after outraging SNP supporters.
The teenagers, aged 19 to 15, appeared in custody at Westminster Magistrates' Court on Saturday, supported by their families.
Parker Dairies moves home after 120 years on Wood Street in Walthamstow