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.

The US President's Special Envoy for Ukraine and Russia, Keith Kellogg, will visit Ukraine after the Munich Security Conference. The visit is scheduled for February 20th, according to sources in the Office of the President of Ukraine.

The Ukrainian side is looking forward for the visit of U.S. President's Special Representative for Ukraine and Russia Keith Kellogg as early as this February to comprehensively brief the official on the details of Russian aggression against Ukraine.

If there’s anybody who understands leverage, it’s President Donald J. Trump,” Keith Kellogg tells the New York Post.

"The Ukrainian side is looking forward to the visit of the U.S. Special Envoy for Ukraine and Russia, Keith Kellogg, in February to provide comprehensive information on Russian ag

Ukraine is preparing to host U.S. President Donald Trump's special envoy for Ukraine and Russia, Keith Kellogg, in February, Ukrainian President Volodymyr Zelensky's Chief of Staff Andriy Yermak said on Feb.