Federal agents can no longer make arrests without exceptional circumstances in and around three Manhattan buildings where immigration proceedings occur, a judge ruled Monday.

The decision by U.S. District Judge P. Kevin Castel brings an abrupt halt to a practice begun under the Trump administration that enabled agents to take into custody individuals who follow requirements to appear before immigration judges.

The arrests have resulted in dramatic scenes in courthouse hallways as those being detained were sometimes pulled away from emotional family members.

Castel said in a written decision that while there was "a strong governmental interest in enforcing immigration laws," there also was a serious interest in letting individuals attend removal proceedings and pursue asylum claims before a judge "without fear of arrest."

He noted that federal agents still can detain individuals at locations away from immigration courts and also can make arrests at immigration courthouses when there are serious threats to public safety.

He said the boundaries set out in federal policy five years ago can remain in effect, but a court case before him was likely to result in a finding that a withdrawal of that policy after President Donald Trump took office was "arbitrary and capricious."

Castel also noted that government lawyers recently reversed their position, saying they've learned that 2025 policies regarding arrests in and around courthouses set by the Trump administration did not apply to immigration courts after all.

The judge, who last year had declined to ban the practice, said the new position by government lawyers meant it was necessary to "correct a clear error and prevent a manifest injustice."

The ruling came in a lawsuit brought by the New York Civil Liberties Union, the American Civil Liberties Union, Make the Road NY and others.

It was praised by Amy Belsher, director of the NYCLU's Immigrants' Rights Litigation.

She called it "an enormous win for noncitizen New Yorkers seeking to safely attend their immigration court proceedings."

Messages seeking comment from the Department of Homeland Security were not immediately returned. A spokesperson for Justice Department lawyers declined comment.

Castel's decision, which did not apply nationwide, pertained to immigration courts at 26 Federal Plaza, 201 Varick Street and 290 Broadway in Manhattan. New York's FBI headquarters is also located at 26 Federal Plaza, a large building across from two federal courthouses near City Hall.

The organizations first brought the lawsuit last August on behalf of immigrant advocacy groups African Communities Together and The Door.

"In the face of this administration's ongoing targeting of our young members, this decision brings us hope," said Beth Baltimore, deputy director of The Door's Legal Services Center.

"Our staff continues to work tirelessly to support Door members who were terrified to go to their required court appearances. We stand with our members to fight for those impacted by courthouse arrests, including those who remain detained, and other cruel policies," Baltimore said in a release.

A Canadian man facing murder charges for allegedly selling lethal substances online to people at risk of self-harm has agreed to plead guilty to 14 counts of counseling or aiding suicide, his lawyer said on Saturday.

In turn, Canadian prosecutors will withdraw all 14 murder charges filed against Kenneth Law, lawyer Matthew Gourlay told The Associated Press in a email.

"The plea will be to the charges of aiding suicide," he said in an email. The Canadian Broadcasting Corporation first reported the plea.

Law will make a virtual appearance by Zoom before a Newmarket, Ontario, court on Monday afternoon for the purpose of further scheduling, Gourlay said. The plea and the sentencing will take place at a later date.

Calls to Ontario's Ministry of the Attorney General weren't immediately answered.

Canadian police say Law, from the Toronto area, used a series of websites to market and sell sodium nitrite, a substance commonly used to cure meats that can be deadly if ingested. They say he is suspected of sending at least 1,200 packages to more than 40 countries.

Authorities in the United States, Britain, Italy, Australia and New Zealand also have launched investigations.

It is against the law in Canada for someone to recommend suicide, although assisted suicide has been legal since 2016 for people aged at least 18. Any adult with a serious illness, disease or disability may seek help in dying, but they must ask for assistance from a physician.

Law has been in custody since his arrest at his Mississauga, Ontario, home in May 2023.

According to the Canadian Criminal Code, abetting suicide carries a maximum sentence of 14 years. A murder conviction automatically means life in prison, with no chance of parole for at least 25 years.

The Supreme Court is taking up one of the term's most consequential cases, President Donald Trump's executive order on birthright citizenship declaring that children born to parents who are in the United States illegally or temporarily are not American citizens, and he was in the courtroom on Wednesday to attend the arguments.

The justices will hear Trump's appeal of a lower-court ruling from New Hampshire that struck down the citizenship restrictions, one of several courts that have blocked them. They have not taken effect anywhere in the country.

Trump is the first sitting president to attend oral arguments at the nation's highest court. Crowds watched from the sidewalks as his motorcade drove along Constitution and Independence Avenues, passing the Washington Monument and the National Mall on the way to the court building.

The case frames another test of Trump's assertions of executive power that defy long-standing precedent for a court that has largely ruled in the president's favor — but with some notable exceptions that Trump has responded to with starkly personal criticisms of the justices. A definitive ruling is expected by early summer.

The birthright citizenship order, which Trump signed the first day of his second term, is part of his Republican administration's broad immigration crackdown.

Birthright citizenship is the first Trump immigration-related policy to reach the court for a final ruling. The justices previously struck down global tariffs Trump had imposed under an emergency powers law that had never been used that way.

Trump reacted furiously to the late February tariffs decision, saying he was ashamed of the justices who ruled against him and calling them unpatriotic.

He issued a preemptive broadside against the court on Sunday on his Truth Social platform. "Birthright Citizenship is not about rich people from China, and the rest of the World, who want their children, and hundreds of thousands more, FOR PAY, to ridiculously become citizens of the United States of America. It is about the BABIES OF SLAVES!," the president wrote. "Dumb Judges and Justices will not a great Country make!"

Trump's order would upend the long-standing view that the Constitution's 14th Amendment, ratified in 1868, and federal law since 1940 confer citizenship on everyone born on American soil, with narrow exceptions for the children of foreign diplomats and those born to a foreign occupying force.

A federal judge has ruled in favor of artificial intelligence company Anthropic in temporarily blocking the Pentagon from labeling the company as a supply chain risk.

U.S. District Judge Rita Lin on Thursday said she was also blocking enforcement of President Donald Trump's social media directive ordering all federal agencies to stop using Anthropic and its chatbot Claude.

Lin said the "broad punitive measures" taken against the AI company by the Trump administration and Defense Secretary Pete Hegseth appeared arbitrary, capricious and could "cripple Anthropic," particularly Hegseth's use of a rare military authority that's previously been directed at foreign adversaries.

"Nothing in the governing statute supports the Orwellian notion that an American company may be branded a potential adversary and saboteur of the U.S. for expressing disagreement with the government," Lin wrote.

Lin's ruling followed a 90-minute hearing in San Francisco federal court on Tuesday at which Lin questioned why the Trump administration took the extraordinary step of punishing Anthropic after negotiations over a defense contract went sour over the company's attempt to prevent its AI technology from being deployed in fully autonomous weapons or surveillance of Americans.

Anthropic had asked Lin to issue an emergency order to remove a stigma that the company alleges was unjustifiably applied as part of an "unlawful campaign of retaliation" that provoked the San Francisco-based company to sue the Trump administration earlier this month. The Pentagon had argued that it should be able to use Claude in any way it deems lawful.

Lin said her ruling was not about that public policy debate but about the government's actions in response to it.

"If the concern is the integrity of the operational chain of command, the Department of War could just stop using Claude. Instead, these measures appear designed to punish Anthropic," Lin wrote.

Anthropic has also filed a separate and more narrow case that is still pending in the federal appeals court in Washington, D.C. That case involves a different rule the Pentagon is using to try to declare Anthropic a supply chain risk.