Retired General Keith Kellogg, President Trump's special envoy on Ukraine and Russia, announced actions to pressure both countries to end the hostilities. According to the military official, a ceasefire at the front could still take a few months to achieve.

Trump's Ukraine envoy said Sunday that both Kyiv and Moscow would have to make concessions if they are to successfully negotiate a solution to the ongoing war.

Retired General Keith Kellogg has a plan for ending the war, but the president will control the talks.

Trump and his envoy for Ukraine and Russia, Keith Kellogg, have said they are working on a plan to broker a deal to end the war, but have offered few details about their strategy or when they might unveil such a plan.