Credit: Metropolitan PoliceSix Bulgarians have been jailed after being convicted of spying for Russia on an industrial scale.Ringleader Orlin Roussev, 47, who led the spy ring from a rundown guesthouse on the east coast of England, was sentenced to 10 years and eight months.

Credit: Metropolitan PoliceSix Bulgarians have been jailed after being convicted of spying for Russia on an industrial scale.Ringleader Orlin Roussev, 47, who led the spy ring from a rundown guesthouse on the east coast of England, was sentenced to 10 years and eight months.