RUSSIAN jets reportedly entered Estonia's airspace today in a major escalation by Moscow.

Putin's air forces flew over the NATO member's territory today, sources told Reuters.

Three MiG-31 jets entered the country's airspace without clearance, the Estonian government has said.

Such jets are capable of carrying terrifying Kinzhal hypersonic missiles.

The planes reportedly flew over Vaindloo Island and stayed there for nearly 12 minutes.

While in Estonian airspace, the jets circled in the sky as though waiting for a response.

NATO allies scrambled Italian F-35s to repel the the Russian jets.

All three planes' transponders were turned off at the time, according to reports.

Estonia's Ministry of Foreign Affairs has summoned the Russian chargé d'affaires in the wake of the brazen in

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