President Donald Trump said on Monday that he has not discussed specific security guarantees for Ukraine and reaffirmed the U.S. commitment to support the country. The potential security guarantees for Ukraine represent a major obstacle to ending Russia's war in Ukraine.

Secretary of State Marco Rubio told European counterparts Thursday the US will participate in post-war security guarantees for Ukraine but that the Trump administration believes Europe should take the lead,

Security guarantees for Ukraine have emerged as a key topic of negotiation as US President Donald Trump seeks to broker a peace deal to end Russia’s war.

On Friday, Trump talked about his controversial deployment of the National Guard to Washington, D.C., and said Chicago and New York City would be next. He has described the deployment in the nation’s capital as a bid to clean up crime, but critics dismiss the move as little more than political overreach.

National Guard troops deployed to patrol the streets of Washington, D.C., have begun carrying firearms in an escalation of President Donald Trump’s federal takeover of the nation’s capital

President Donald Trump has sent a letter of support to Ukraine praising its courage and saying the United States believes in its future as an independent state, as the country marks the anniversary of declaring itself free of Soviet rule.

Russia said power and energy facilities had been targeted by Ukraine, which accused Russia of "spreading manipulations".