Here are some of the stories we are covering from around the world:

Kyiv Links Moscow to Killing of Former Ukrainian Parliament Speaker

Ukraine said on Monday that it had arrested a suspect in the murder of a former Ukrainian parliamentary speaker, Andriy Parubiy, accusing Moscow of involvement in one of the most high-profile killings since the war began.

Earthquake in Afghanistan Leaves More Than 800 Dead

Rescue workers on Monday scrambled to reach mountainous areas in eastern Afghanistan hit by a 6.0-magnitude earthquake that killed more than 800 people overnight, Afghan officials said, warning that the death toll would probably rise.

Doctors in South Korea Return to Work After 18-Month Walkout

An 18-month doctors’ walkout that roiled South Korea’s health-care system began winding down on Monday, as two physicians’ groups said that interns and residents started returning to work at some university and private hospitals.

@nytimes