The three defendants were arrested under the Official Secrets Act
Two men and a woman suspected to be spies for Russia in Britain have been arrested and charged today, it has been reported.
The defendants are all Bulgarian nationals alleged to be working for the Russian security services, the BBC said.
They were held in February and have been remanded in custody since.
They were named as Orlin Roussev, 45, of Great Yarmouth, Norfolk, Bizer Dzhambazov, 41, of Harrow, north-west London, and Katrin Ivanova, 31, of the same address.
Metro.co.uk has contacted the Metropolitan Police for a comment.
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They are all Bulgarian nationals.