He recalled the principle of reciprocity in diplomacy.
“Recently, four Austrian diplomats who worked in Moscow had to return to their homeland.
In the event of new unfriendly steps from Austria, an adequate response will again follow, ”Ulyanov said in an interview with TASS.
Members of the Russian delegation at the OSCE PA session in Vienna were previously unable to lay flowers at the monument to Soviet soldiers-liberators on the occasion of Defender of the Fatherland Day.
The wreath was laid on behalf of the diplomats by the heads of Russian foreign missions.
On February 2, Austria declared four Russian diplomats persona non grata for allegedly committing "actions incompatible with their diplomatic status."
In addition, the authorities asked two diplomats from among the representatives of the Permanent Mission of Russia to the UN to leave the territory of the republic.
Moscow expelled four employees of the Austrian embassy from Russia as a retaliatory measure.