The 39-year-old is suspected of carrying out surveillance of a military base in his country to enable "a Salafist and pro-jihadist cell in an EU state" to carry out an attack there, the public prosecutor's office said, in the first arrest of its kind in Romania.
That cell, according to anti-terror prosecutors, was connected to the group which carried out the attacks in the French capital that left 130 people dead.
Authorities today carried out three searches where the man lived in the southern Arges region.
He is believed to have become radicalised after spending some years abroad in an unidentified EU country where he allegedly associated with extremist groups, according to Romanian intelligence.
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