The coming week could be pivotal in the ongoing war between Russia and Ukraine. U.S. President Donald Trump’s special envoy, Steve Witkoff, is expected in Moscow midweek.

President Trump’s U.S. Special Envoy Steve Witkoff is set to visit Russia this week after the president issued an ultimatum for Russian President Putin, with the goal of achieving a ceasefire agreement for the war in Ukraine by Friday.

President Trump has given an ultimatum to President Vladimir V. Putin of Russia to end the war in Ukraine or face U.S. sanctions.

Viktor Vodolatsky hit back at Trump's recent announcement about moving two U.S. nuclear submarines, saying his country has better ones.

US President Donald Trump said Friday he was ordering two US Navy nuclear submarines to “appropriate regions,” in response to remarks by Dmitry Medvedev, Russia’s former president and current deputy chairman of its Security Council.

WASHINGTON (Reuters) -U.S. President Donald Trump on Friday said he had ordered two nuclear submarines to be positioned in "the appropriate regions" in response to remarks from former Russian President Dmitry Medvedev about the risk of war between the nuclear-armed adversaries.