Olena Kopchak, her husband and their 8-year-old daughter, Yana, are among the growing number of Ukrainians who are trying to make it to the United States — and confronting obstacles.

Western allies would respond if Russia uses chemical weapons against Ukraine, President Biden said after an emergency meeting with NATO allies. "It would trigger a response in-kind," he said.

President Biden's press secretary Jen Psaki has COVID-19 again. It's the second time a positive test will keep her from going on a foreign trip with Biden. He tested negative and will carry on.

President Biden is planning to travel to Brussels this week to meet with fellow NATO leaders. Also, Judge Ketanji Brown Jackson begins her Supreme Court confirmation hearings Monday.

President Biden met with Colombian President Iván Duque days after senior administration officials made a secret trip to meet with Venezuelan leader Nicolas Maduro, who has strong ties with Russia.

A high-level delegation traveled to the South American country last weekend to in part discuss the health of detained U.S. citizens.

Critics say the chaotic U.S. withdrawal from Afghanistan emboldened the Russian leader, but former U.S. officials say past U.S. responses to Russian incursions were a bigger problem.

President Biden is set to give his Tuesday night address at a moment when the White House is tackling the Ukraine crisis, soaring inflation and the lingering pandemic.

The next round of sanctions from the White House targets banks and export controls, which would cut Russia off from critical technology such as semiconductors.

Russia invades Ukraine as blasts are heard in Kyiv and other cities. President Biden called the attack a "needless act of aggression" and warned of "a catastrophic loss of life and human suffering."

Vice President Harris is meeting with a host of world leaders in Munich as concern builds that Russia plans to invade Ukraine. Her meeting with Ukraine President Zelensky sends an important message.

Vice President Kamala Harris gave a major address Saturday at a security conference in Munich, Germany, where she met with Ukrainian President Volodymyr Zelenskyy.

This is Harris' highest-stakes foreign trip yet. She will meet some 13 heads of state to discuss the threat posed by Russia, and will speak at the Munich Security Conference.

Vice President Kamala Harris is traveling to an annual gathering of the world's top national security officials in Munich, Germany, as leaders work to avert a Russian invasion of Ukraine.

President Biden has signed an executive order detailing how the U.S will deal with about $7 billion in assets that Afghanistan's central bank stored in New York before the Taliban takeover.

President Biden spoke with Russian President Vladimir Putin on Saturday, and the U.S. ordered its diplomats and troops out of Ukraine.

President Biden spoke to his Russian counterpart today amid increasing tensions over Ukraine.

The White House is warning that a Russian invasion of Ukraine could happen within days, though U.S. officials don't believe a final decision has been made, or know the scope of a potential invasion.

President Biden said he would fire anyone who was a jerk at work. But that's not what happened when his science adviser Eric Lander was found to have created a toxic workplace.

President Biden met with new German Chancellor Olaf Scholz at the White House Monday. The two leaders are trying to show they're on the same page on how to sanction Russia if it invades Ukraine.