Patriot missile system, AFP via Getty Images

Europe is facing a "beyond critical" shortage of Patriot interceptor missiles, with Ukraine the hardest hit. US officials attribute the crisis to President Donald Trump's decision to launch a war against Iran.

Source: Associated Press, with reference to a US Defense Department representative in Europe and a NATO representative, both speaking on condition of anonymity

Details: AP's sources expressed concern about NATO countries' vulnerability to a potential Russian attack.

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