Polish and allied aircraft were deployed to secure Poland's airspace amid heightened tensions following Russian airstrikes on western Ukraine.Fighter jets from several countries, including Poland, Romania, Germany, Spain, Norway, and the Netherlands, were positioned near Ukraine's border while Ukraine shot down many of Russia's missiles with Western-built jets.Ukrainian President Volodymyr Zelensky called for tougher sanctions on Russia and prioritized air defense and aviation improvements in response to the attacks.