Three Russian military jets crossed into Estonia’s airspace Friday in what the NATO member called an “unprecedentedly brazen” violation during an alarming escalation of tension in the region.

The trio of Russian MiG-31 fighters violated Estonian airspace for 12 minutes, the government said — just over a week after more than 20 Russian drones entered Polish airspace .

Handout photo shows two Russian MiG-31 fighter jets (not the ones over Estonia). RUSSIAN DEFENCE MINISTRY PRESS SERVICE/HANDOUT/EPA/Shutterstock

“Russia has violated Estonian airspace four times already this year, which is unacceptable in itself, but today’s violation, during which three fighter jets entered our airspace, is unprecedentedly brazen,” Estonia Foreign Minister Margus Tsahkna said.

“Russia’s ever-increasing

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