Press reports say the U.S. may try to freeze Putin's personal fortunes.
Reid said efforts to register Jews in Ukraine are a "disturbing echo" of human history.
The U.S., EU, Ukraine and Russia have agreed to talks.
Kerry warned that sanctions against Russia could follow if separatists don't stand down.
Sen. John McCain (R-Ariz.) said NATO members needed to spend at least 2 percent of their GDP on...
Obama says Russia realizes U.S. military is "significantly superior."
The State Department warned travelers to "defer all non-essential travel to Ukraine."
Jay Carney said the Ukrainian government "has a responsibility to provide law and order."
Forty-six percent of people approve of Obama's handling of the situation.
Treasury Secretary Jack Lew signed the loan guarantee on Monday.
McCain said the attacks over the past few days are “of course” being orchestrated by Putin.
Obama emphasized to Merkel the need for sanctions, should the situation escalate.
Susan Rice said the pamphlet aimed at Jews in Ukraine was "utterly sickening."
Senate Minority Leader Mitch McConnell (R-Ky.) said Thursday that he thinks the Obama...
People reported fliers that asked Jews to register with the government.
The items include medical supplies, water purification units and generators.
"It's all nonsense," Putin said.
The aid would include medical supplies and clothing, but would stop short of providing body armor...
Sen. Kelly Ayotte (R-N.H.) said she is drafting legislation that would place U.S. sanctions on...
The White House on Tuesday backed the Ukrainian government as it moved to crack down on pro-Russian...
Senate Foreign Relations Committee ranking member Bob Corker (R-Tenn.) called on President Obama to...
Officials rejected assertions that recent separatist protests in eastern Ukraine are organic.
The vice president will meet with officials ahead of Ukrainian presidential election.
France is going ahead with the sale of two warships, despite the crisis in Ukraine.