Russian fighter jets on Friday flew into Estonian airspace for 12 minutes, a move the country called a "brazen intrusion."
Estonia's Minister of Foreign Affairs Margus Tsahkna confirmed the "violation of Estonia's airspace," in a statement on X.
"Three Russian MiG-31s entered our airspace over the Gulf of Finland for 12 minutes. This is an unprecedented and brazen intrusion - clear proof of Russia's growing aggression," Tsahkna said in the post.
"Such actions cannot be tolerated and must be met with swift political and economic pressure."
Tsahkna said Estonia would be summoning Russia's top diplomat to demand an explanation.
The incursion by the Russian supersonic interceptor aircraft marks the fourth such violation of Estonian airspace so far this year.
"Russia has already violated