Yahoo Finance's Akiko Fujita breaks down the top stories around the world.

Video Transcript

- This is a police warning. Disperse immediately, or a water cannon will be used.

AKIKO FUJITA: In our worldview today, violence flared up in Northern Ireland yet again overnight, with police deploying water cannons to try and break up the crowds. Nearly 20 officers were injured in the latest violence that's engulfed parts of Northern Ireland for a week. Trading borders imposed by the UK Brexit deal have been at the heart of the tensions. Protestant unionists arguing it damages trade and threatens the country's place in the UK, while Catholic nationalists favor a united Ireland. The decision not to prosecute Sinn Féin leaders for defying COVID-19 lockdowns have only complicated the issue.

North Korea's leader is calling on the country to prepare for difficult times ahead amid concerns it faces a dire food shortage. Speaking at a party conference Kim Jong Un urged North Koreans to prepare for an arduous March, comparing its current economic crisis to the 1990s famine. That was triggered after Pyongyang lost financial assistance from the Soviet Union then, killing millions of people by some estimates. North Korea's struggle to gather resources since its border with China was shut down because of the pandemic leading to an 80% drop in goods from its largest trading partner.

And Britain's Prince Philip, the Duke of Edinburgh, has died at the age of 99. Buckingham Palace issued a statement early this morning, saying the prince passed away peacefully at Windsor Castle. Queen Elizabeth now begins an eight-day period of mourning, putting all royal duties on pause. Crowds also gathering outside of the palace to pay tribute to her husband. The Duke of Edinburgh was hospitalized in February and was treated for an infection and an existing heart condition. He was released last month and spent his final days at Windsor Castle. And he would have turned 100 in June.