The United Nations Security Council will hold an emergency meeting Monday to discuss Russian fighter jet incursions into NATO member Estonia's airspace, the Estonian government and the UN said.

Why it matters: NATO countries have reported several such violations in recent weeks. European leaders warn the incursions are a calculated escalation of Russian President Vladimir Putin's war in Ukraine. • "By openly violating our airspace, Russia is undermining principles that are essential to the security of all UN member states," Estonian Foreign Minister Margus Tsahkna said in a statement Sunday.

Catch up quick: Three Russian Federation MIG-31 jets entered Estonia's airspace and remained there for 12 minutes late last week. • NATO responded "immediately" and intercepted the aircraft, per

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