What Zelensky’s threat to Russian airspace means for the future of war and air travel

• Volodymyr Zelensky has issued a stark threat to airlines and businesses using Russian airspace, saying it will be “effectively closing” as Ukraine escalates its drone campaign.
• "We want to warn every airline that uses Russian airspace, every insurer, everyone who still uses key Russian airports: the Russian sky is becoming completely dangerous," the Ukrainian president said in an address late on Tuesday.
• “Drone-infested skies are no place for civilian aviation ...