Ukraine needs at least seven Patriot air defence systems, Ukrainian President Volodymyr Zelenskiy said and urged the country’s allies “not to waste time,” in his daily broadcast on April 27, as Ukraine continues to get pummelled by Russian missiles. ‘Of course, I’m grateful to all of our partners who have helped us with air defence: each air defence system and each air defence missile is literally saving lives,” Zelenskiy told the nation. “It’s important that everything works out as quickly as possible: every new agreement with our partners to strengthen our air defence, every initiative from …