The Russian military chopper Mi-8 on Sunday 7 September entered Estonia without any announcement. The authorities of the country called on the Russian chargé d’affaires to present a protest note. An authoritative communication on this issue has appeared on the website of the Estonian MFA. "The Ministry of abroad Affairs of Estonia today, 8 September, called for the chargé d'affaires of the Embassy of the Russian Federation to express protest and give an authoritative note [...]