You could really increase the sanctions — especially the latest sanctions [targeting oil production and exports,]” retired Gen. Keith Kellogg exclusively told The Post.

U.S. President Donald Trump's special envoy for Ukraine and Russia, Keith Kellogg, had a "thorough discussion" with Ukraine's ambassador to Washington in their first official meeting on Thursday, the ambassador said.

U.S. President Donald Trump is prepared to double down on the sanctions against Russia to pressure the Kremlin into ending its war against Ukraine, Keith Kellogg, the U.S. special envoy for Ukraine and Russia,

U.S. President Donald Trumps special envoy for Ukraine and Russia, Keith Kellogg, met with Ukraines ambassador to Washington, Oksana Markarova, for their first official discussion. Markarova described the meeting as