MOSCOW (Reuters) - Russia's Federal Security Service said on Friday a Russian citizen working at a "secure facility" in the central Penza region was detained for trying to pass information about his workplace to Polish intelligence, state news agency RIA reported.
Polish Deputy Foreign Minister Andrzej Szejna told the Onet news website that the report was "fake news".
There was no information immediately available about the facility allegedly involved.
(Reporting by Anna Koper; writing by Felix Light; editing by Toby Chopra and Mark Heinrich)
