A no-fly zone “would not help” to defend Ukraine, the head of the UK’s armed forces has said. Chief of the Defence Staff Admiral Sir Tony Radakin said the invasion in Ukraine “is not going well” for the Kremlin, with Russia’s military might not proving as strong as expected in the face of the Ukrainian resistance. However, he said the key call of Kyiv—a no-fly zone—would not help those on the ground. On Sunday, Ukrainian newspaper The Kyiv Independent reported the country’s President Volodymyr Zelensky had reiterated his demand as he said: “The world has the power to close our skies for Russian rockets and aircraft.” Sir Tony told the BBC’s Sunday Morning programme: “The advice that we as senior military professionals are giving our politicians is to avoid doing things that are tactically ineffective and definitely to avoid doing things that tactically might lead to miscalculation or escalation. “The …