NATO Secretary General Jens Stoltenberg ruled out creating a no-fly zone over Ukraine on Friday despite Kiev’s repeated requests for an aircraft ban amid heavy Russian bombing. “Allies agree that we should not have NATO planes operating over Ukrainian airspace or NATO troops on Ukrainian territory,” Stoltenberg said in a Brussels press conference. “We have a responsibility as NATO allies to prevent this war from escalating beyond Ukraine, because that would be even more dangerous, more devastating, and would cause even more human suffering,” he added. NATO would not be able to enforce a no-fly…