Nato fighter jets have shot down Russian drones over Polish airspace for the first time, after what Warsaw described as an “unprecedented violation” of its territory that led it to trigger emergency consultations in the alliance. The operation in the early hours of Wednesday, during a massive Russian attack on Ukraine, involved Dutch and Polish fighter jets, while German Patriot missiles were put on alert and an Italian early warning aircraft provided support. The alliance said it was “committed to defending every kilometre of Nato territory, including our airspace”. It marks the most serious clash between Russia and the US-led...