Nervousness is growing among countries neighbouring Russia, with Latvia and Poland limiting access to their airspace.

Poland shot down drones that entered its airspace on Wednesday, the first time a member of NATO is known to have fired shots during Russia's war in Ukraine.

Lithuanian Foreign Minister Kestutis Budrys said the situation was "a concern of all NATO," adding, "This is not just Lithuanian airspace, not just Lithuania's security -- it is NATO airspace, NATO se...