Terence McLaren, 47, of south east London, will appear at Woolwich Magistrates Court on 25 March charged with possession of a class A drug.

A Prison Service spokesman said: "I can confirm that a member of staff at HMP Bullingdon has been charged with possession of a class A drug.

"The member of staff is currently suspended from his job at the prison."

Bullingdon, which opened in 1992, is a local category B training prison for men.