The Estonian Foreign Ministry on Wednesday declared an employee of the Russian embassy in Tallinn persona non grata and ordered him to leave the country.

Axar.az informs, citing TASS, "The Estonian Ministry of Foreign Affairs summoned the charge d’affaires of the Russian embassy to present a diplomatic note on declaring the First Secretary of the Russian embassy’s staff persona non grata.

The diplomat must leave Estonia," reads a press release on the ministry’s website. "The diplomat in question has been directly and actively involved in undermining the constitutional order and legal system of Estonia," the ministry quoted Estonia’s top diplomat, Margus Tsahkna, as saying.