In Belarus, Ukraine's northern neighbour and Russia's closest international ally, Russian fighter jets launched air patrols, and Russia's potent S-400 air defense systems were deployed near the Ukrainian border
DONETSK, UKRAINE - FEBRUARY 05: A Ukrainian soldier surveys the area from his position outside of Donetsk, Ukraine on February 05, 2022. (Photo by Wolfgang Schwan/Anadolu Agency via Getty Images)
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