The North Atlantic Treaty Organization promised a “robust” response to Russian incursions into its airspace and said it would use all options, including military, to defend itself.

NATO warned Russia on Tuesday that it would use all means to defend against any further breaches of its airspace after the downing earlier this month of Russian drones over Poland and Estonia's report of an intrusion of Russian fighter jets last week.

NATO on Tuesday condemned Russia for violating Estonian airspace last week and said it would use "all necessary military and non-military tools to defend ourselves" as it faced "a pattern of increasingly irresponsible behaviour" by Moscow.

Estonia and its allies launched a blistering criticism of Russia for flying fighter jets through its airspace last week, calling Moscow out at an emergency meeting of the UN Security Council on Monday and accusing it of “reckless” and “outrageous” behavior.

President Donald Trump and Ukrainian President Volodymyr Zelenskyy are set to meet this week at the UN General Assembly following Russia's latest incursion.

Kremlin spokesman Dmitry Peskov rejected Estonia's accusations that Russian fighter jets entered its airspace.

Estonia is set to ask NATO allies for extra air-defense assistance over the Baltic Sea as the alliance’s eastern members try to respond to the third violation of NATO airspace this month by Russia.

Russian military aircraft violated Estonian airspace on Friday, ignoring signals from Italian jets on NATO's Baltic Air Policing Mission, a senior Estonian military official confirmed. The 12-minute incursion represents the latest test of the alliance's response to Russian airborne threats,