The US president answered "yes I do" when asked whether he would support such action shortly after he addressed the UN General Assembly.

Polish Foreign Minister Radosław Sikorski issued the warning to Moscow at an emergency session of the United Nations Security Council on Monday. View on euronews

President Donald Trump said during his bilateral meeting with Ukrainian President Volodymyr Zelenskyy that NATO countries should shoot down Russian aircraft if they enter their airspace.

President Trump also said in a Truth Social post that Ukraine can win back all of its lost territory from Russia, signaling a major shift in his stance on the war.

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.

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.