NATO has scrambled jets to intercept three Putin warplanes over Estonia - as Russia begins threatening Finland 'in the same way it did Ukraine before the war', thus 'laying the groundwork for justifying an invasion'.

The defensive alliance rushed to mobilise duty warplanes today to repel the Russian jets which violated its member's airspace amid an increasingly tense atmosphere on the bloc's eastern flank.

It comes as Russia threatens NATO-member Finland with a coordinated information campaign mirroring the exact playbook the Kremlin used to justify its invasion of Ukraine in February 2022, it has been claimed.

Several senior Kremlin figures have been making verbal attacks against Finland in recent days, disparaging the northern European nation as if to lay the groundwork for an offensive, the Institute for the Study of War (ISW) has warned.

The latest incursions follow Moscow's unprecedented intrusion into both Polish and Romanian airspace in the space of just a few days, triggering condemnation from NATO and a new resolve to stand up to the dictator.