Chaos and Panic Grip Tehran as Airstrikes Shake City

Iranians were beginning their workweek as U.S. and Israeli strikes sent people fleeing parts of the capital and parents racing to collect children from schools.A photo released by Iranian state media on Saturday shows people reacting after an explosion in Tehran.

F Farnaz Fassihi and Erika Solomon

What to Know About the U.S. Attacks on Iran

The United States, joined by Israel, launched an attack on major cities in Iran, as President Trump called on Iranians to overthrow the government.Plumes of smoke rose after a reported explosion in Tehran on Saturday.

L Lynsey Chutel

OpenAI Reaches A.I. Agreement With Defense Dept. After Anthropic Clash

The deal came hours after President Trump had ordered federal agencies to stop using artificial intelligence technology made by Anthropic, an OpenAI rival.Sam Altman of OpenAI, which reached an agreement with the Department of Defense on A.I. on classified systems on Friday.

C Cade Metz

Trump Orders U.S. Agencies to Stop Using Anthropic AI Tech After Pentagon Standoff

The company had clashed with the military over how officials wanted to use its cutting-edge A.I. model. The order could vastly complicate intelligence analysis and defense work.“In a narrow set of cases, we believe A.I. can undermine, rather than defend, democratic values,” Dario Amodei, the chief e

J Julian E. Barnes and Sheera Frenkel

Pentagon Watchdog Stalls Proposal to Review Targeting in Trump’s Boat Strikes

A new inspector general delayed a decision on whether to approve the project and is said to have raised its potential political ramifications, in a test of the watchdog system in President Trump’s second term.Platte B. Moring III, a Defense Department lawyer in the first Trump administration, was no

C Charlie Savage

The Bloody Rise and Fall of Mexico’s Top Crime Boss

El Mencho’s brutality and business acumen put him atop the cartel world, until he made a fatal mistake.After Mexican forces killed a notorious cartel kingpin on Sunday, his followers set fire to hundreds of vehicles, like this one beside a highway in Jalisco state.

J Jack Nicas, Paulina Villegas and Maria Abi-Habib

How The Times Covers Cartels and Other Criminal Enterprises

Cultivating sources. Verifying claims. Staying safe. After the death of El Mencho, four journalists share their approach to this difficult, dangerous work.The remnants of retaliatory violence, including burned vehicles, was evident along the highway between Guadalajara and Tapalpa, in Jalisco state.

M Megan DiTrolio, Paulina Villegas, Jack Nicas, Maria Abi-Habib and Lauren Katzenberg

Abrupt Change for Warner Bros. Prompts Many Grim Faces

Employees at the company had started to warm to the idea of Netflix as its corporate owner. Now they face the prospect of major cuts under Paramount.Warner Bros. Discovery is to be sold for $111 billion, a feat that would have been unthinkable even six months ago.

B Brooks Barnes and John Koblin

Netflix Lost Warner. Maybe That’s a Good Thing.

It is entirely possible, analysts say, that Netflix will be better off by bailing from its $83 billion deal with Warner Bros. Discovery.Netflix’s offices on Sunset Boulevard in Los Angeles. “The truth is, Netflix is still producing more hits than everyone else combined,” one analyst said.

N Nicole Sperling

How Israel Lost Americans

Netanyahu and his government deserve the growing bipartisan opprobrium they’re receiving.

M Michelle Goldberg

Neil Sedaka, Singing Craftsman of Memorable Pop Songs, Dies at 86

He sang and co-wrote some of the definitive teenage anthems of the 1950s and early ’60s, including “Breaking Up Is Hard to Do,” and then reinvented his career in the ’70s.Neil Sedaka performing onstage in London in 1977. He intersected in his career with a remarkably diverse array of musicians.

P Peter Applebome