After multiple Russian drones violated NATO airspace, Europe faces questions over the alliance’s long-term ability to deal with this growing threat.

NATO member Poland has called for the U.S.-led alliance to consider a no-fly zone over Ukraine since nearly 20 Russian drones crossed over into Poland early on September 10 in the midst of extensive Russian attacks on neighboring Ukraine. About three are thought to have been shot down in operations backed by other NATO countries.

Three Russian MiG-31 fighter jets flew into Estonia on Friday, escalating tensions and marking the latest violation of NATO airspace by Moscow.

British fighter jets flew over Poland on Friday night as part of AN operation to bolster NATO’s eastern flank after Russian drones violated Polish airspace earlier this month, according to the UK Ministry of Defense.

Polish President Karol Nawrocki on Sunday signed a classified decree permitting a permanent NATO troop in Poland as part of Eastern Sentry.

A new memorandum will see Ukrainian forces training Polish troops in counter-drone tactics. It's a moment of recognition of Kyiv's growing expertise.

President Donald Trump threatens major sanctions on Russia, but only if NATO nations first stop buying Russian oil and end their dependence on Moscow’s energy.

"What happened in recent days in Poland and Estonia, and what has been happening in Ukraine for four years, concerns us all, because if we don't remain united, sooner or later it will happen to us too,