Axios

Hundreds of people gathered in the city of Derry in Northern Ireland on Sunday to commemorate the 50th anniversary of the killing of 13 unarmed Catholic civil rights marchers by British soldiers, the Guardian reported.

Why it matters: Known as "Bloody Sunday," it marked one of the deadliest days of the nearly three decades of violence between Protestants and Catholics in Northern Ireland.

Beijing officials announced Sunday that they have sealed off several residential areas where two COVID-19 cases were detected, AP reported.

Why it matters: Government officials have urged local districts to maintain "full emergency mode" as coronavirus cases continue to be detected in the run-up to the opening of the Beijing Games on Friday.

Migrants from South American countries, Cuba and Haiti — as well as more distant nations like Russia, Ukraine, Turkey and India — drove an uptick in traffic at the U.S.-Mexico border last month.

Why it matters: For years, most migrants attempting to cross the U.S.-Mexico border have come from Mexico or the Northern Triangle countries of Guatemala, Honduras and El Salvador. But last month, they were outnumbered by those making an even longer and more complicated trek to the United States.

Ukrainian Ambassador to the U.S. Oksana Markarova sought to minimize reports of tensions between Washington and Kyiv and batted away suggestions that her government is "downplaying the risk" of a Russian invasion during an appearance Sunday on CBS' "Face the Nation."

Why it matters: Ukrainian President Volodymyr Zelensky's rhetoric on the possibility of a Russian invasion has contrasted starkly at times with that of the U.S. and other allies.

President Biden issued a statement on Sunday stressing that the Taliban must release U.S. Navy veteran Mark Frerichs, who was kidnapped in Afghanistan two years ago, "before it can expect any consideration of its aspirations for legitimacy."

Why it matters: Frerichs, a civil engineering contractor who had been working in Kabul for a decade before his disappearance, is the last American known to be held hostage in Afghanistan.

The United Nations Security Council will be "unified" on Monday "in calling for the Russians to explain themselves," U.S. Ambassador to the United Nations Linda Thomas-Greenfield told ABC's "This Week."

Why it matters: The meeting, called by the United States and which is expected to be broadcast live on Monday, will be "one more opportunity to find a diplomatic way out for the Russians," the ambassador said.

If Russia invades Ukraine, the Biden administration will consider sanctions and other economic consequences "the likes of which we have not looked at before," Pentagon spokesperson John Kirby said on Sunday.

Why it matters: Kirby's comments come as the leading Democratic and Republican lawmakers on the Senate Foreign Relations Committee announced progress on a major congressional sanctions package.

Coups, which had seemed almost on course for extinction, are making a comeback.

By the numbers: Between 2015 and 2020, the world never saw more than two successful coup attempts in a year. But there have now been eight coups in the past 12 months — most recently in Burkina Faso, where soldiers seized power last Monday.

Russia will not conduct naval exercises off the coast of Ireland after Dublin requested they relocate following mounting concerns that the Kremlin could authorize an invasion of Ukraine within days, Reuters reports.

Driving the news: Russian officials said they would relocate the naval exercises as a "gesture of goodwill" to Dublin and Irish fishing groups, Ambassador Yury Filatov said in a statement, per Reuters.