PSSST, BORIS, INTERNATIONAL LAW IS WHATEVER WE SAY IT IS:

Russia's Sergei Lavrov said it was not clear that US evidence of Syrian use of chemical weapons would meet international standards of reliability. Photograph: Sergei Karpukhin/Reuters

The Russian foreign minister, Sergei Lavrov, has said that any attempt to enforce a no-fly zone over Syria using US fighter jets and Patriot missiles from Jordan would violate international law.

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