Ukrainian President Volodymyr Zelensky has praised NATO allies for promising more air defences to help Ukraine protect itself from Russian drone and missile attacks. “I am grateful to our partners … for adopting a strong declaration in support of Ukraine’s air defence system to protect its people, cities, and critical infrastructure,” he wrote in English on X. US President Joe Biden had just announced the new military support for Ukraine during a speech at the opening ceremony for a NATO summit in Washington, which Zelensky is also attending. “Additional Patriots, SAMP/T, and IRIS-T SLM, as …