Mexican President Andrés Manuel López Obrador threatened to skip this year's summit in the United States if Cuba, Venezuela and Nicaragua are excluded.

The White House plans to make it easier for families to visit relatives in Cuba and increase visa processing on the island, reversing some of former President Trump's policies.

Ukraine is one of the world's biggest producers of wheat, corn and sunflower oil. Officials say 30% of farmland is now occupied or unsafe. "My fields were destroyed by the shelling," one farmer says.

Ukrainian and international experts believe it will take years, if not decades, to build cases and prosecute people. Ukraine's prosecutor general's office has opened more than 9,000 investigations.

Ukraine's prosecutor general, Iryna Venediktova, is determined to hold Russian President Vladimir Putin accountable for what she says are war crimes. Reviewing the evidence has taken a toll on her.

A small Ukrainian town near the Russian border was the first to be liberated after a four-week Russian occupation. Its challenges provide a window into the tough road ahead for similar communities.

Ukrainian President Volodymyr Zelenskyy plans to meet with Secretary of State Antony Blinken and Secretary of Defense Lloyd Austin on Sunday. The State Department declined to comment to NPR.

Russian forces pulling out of the area surrounding Kyiv left behind evidence of atrocities committed against civilians. The effort is now to try to build a war crimes case against the perpetrators.

Missiles struck cities all across Ukraine overnight, including in the western city of Lviv, where at least 7 people were killed. The town had been relatively peaceful for weeks.

Russian forces continue their assault on Ukraine, especially in the beleaguered port city of Mariupol.

These young politicians have few memories of life under Soviet rule — and they say the war has accelerated their efforts to push for a more Europe-focused future.

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.