Federal immigration authorities on Saturday detained a well-known activist who played a major role in Columbia University’s pro-Palestinian student movement last year, his lawyer said on Sunday. The arrest of the activist, a legal permanent resident of the United States, was a significant escalation of President Trump’s crackdown on what he has called antisemitic campus…

Amid a generational crisis in Canada’s relationship with the United States, the Liberal Party of Canada on Sunday chose an unelected technocrat with deep experience in financial markets to replace Justin Trudeau as party leader and the country’s prime minister, and to take on President Trump. Mark Carney, 59, who steered the Bank of Canada…

The Trump Administration’s abrupt withdrawal of $400 million in federal funding from Columbia University cast a pall over at least nine other campuses worried they could be next. The schools, a mix that includes both public universities and Ivy League institutions, have been placed on an official administration list of schools the Department of Justice…

The gunfire began at dawn on Friday in the town of al-Haffa on Syria’s Mediterranean coast. At first, Wala, a 29-year-old resident of the town, leaped off her bed to the corner of the room in her first-floor apartment, flattening herself as the rat-a-tat of gunshots sounded outside her bedroom window. When the commotion grew…

Tesla charging stations were set ablaze near Boston on Monday. Shots were fired at a Tesla dealership in Oregon after midnight on Thursday. Arrests were made at a nonviolent protest at a Tesla dealership in Lower Manhattan on Saturday. The electric car company Tesla increasingly found itself in police blotters across the country this week,…

Before Gene Hackman faded from public view in his adopted hometown of Santa Fe, N.M., the locals would see the aging movie star on the golf course or in his truck or walking his beloved dogs in the enchanted western city, amid the juniper and pinyon pine. His wife, Betsy Arakawa, was often alongside him.…

North Korea said on Saturday that it was building its first nuclear-powered submarine to enhance its nuclear weapons abilities, and the state news media showed the nation’s leader, Kim Jong-un, inspecting part of what appeared to be a new submarine larger than any owned by the country. The announcement, made in the state news media,…

Yoon Suk Yeol, South Korea’s impeached president, who is standing trial on insurrection charges over his decision to impose martial law in December, was released from a detention center on Saturday, a day after a court ruled that his detention was invalid. The Seoul Central District Court ruled on Friday that prosecutors had violated procedural…

Betsy Arakawa, the wife of Gene Hackman, died from the effects of hantavirus, a rare disease often caused by contact with droppings from infected rodents. Hantavirus does not spread among people in the cases found in the United States. It can be transmitted through rodent saliva. But it is most commonly transmitted by breathing in…

The actor Gene Hackman died from heart disease at his home in New Mexico, most likely a week after his wife, Betsy Arakawa, died from the effects of hantavirus, a rare disease linked to rodents that can cause respiratory failure, the authorities said on Friday. Alzheimer’s disease was a contributing factor to Mr. Hackman’s death,…