Ukraine hit the Saratov refinery of Russian oil giant Rosneft in the Volga region on Friday, Ukraine’s General Staff said, in what was the second attack on the refinery in recent months as the Trump Administration continues with its efforts to broker a peace deal. “As part of efforts to reduce the military and economic potential of the Russian aggressor, during the night of 28 November, units of the Defence Forces of Ukraine struck the Saratov Oil Refinery in Russia’s Saratov region,” Ukraine’s General Staff said on…