Oil prices leaped — exceeding $130 a barrel to touch a 13-year high — on the possibility that the United States and its allies will completely ban Russian oil and natural gas imports.
"We are now talking to our European partners and allies to look in a coordinated way at the prospect of banning the import of Russian oil while making sure that there is still an appropriate supply of oil on world markets," Secretary of State Antony Blinken said in an interview on Sunday.
"That's a very active discussion as we speak," he said.
Separately, U.S. Speaker Nancy Pelosi said the House is "exploring strong legislation that will further isolate Russia from the global economy," including a ban on oil imports and steps to "deny Russia access to the World Trade Organization."
Meanwhile on the ground in Ukraine, Russian forces appear to have made no significant movement over the past day, according to a senior U.S. Defense official. Leading elements of the Russian advance remain outside Kyiv, Kharkhiv and Chernihiv as they're met by strong Ukrainian resistance.
Almost all the military strength that Russia amassed along the Ukraine border prior to invading has now been sent into Ukraine, the Defense official said.