Cases of the announcement of the Russian journalists personas non grata

The term "persona non grata" is transferred from Latin (persona non grata) as "undesirable person". In international law this expression is used concerning the diplomatic representative who is not enjoying confidence of the government of that state where it is appointed, or lost such trust. However by the persona non grata any citizen can be declared. It can happen because of an offense or because of intensity between the countries at the concrete moment. The criticism the person of local authorities, any intervention in internal affairs of the country, disrespect to it can become motive also...