In a move that adds to an ever-growing stack of court interventions that have stymied the president's second-term agenda, a federal judge blocked the Trump administration from targeting foreign service workers' collective bargaining rights amid an ongoing challenge against an executive order.

The American Foreign Service Association, a labor union for foreign service workers, lodged a legal challenge after President Donald Trump issued an executive order earlier this year that, according to a White House fact sheet, aimed to "end collective bargaining with Federal unions in" various government entities "with national security missions."

"Certain Federal unions have declared war on President Trump’s agenda," the release asserted. "Protecting America’s national security is a core constitutional duty, and President Trump refuses to let union obstruction interfere with his efforts to protect Americans and our national interests."

Judge Paul L. Friedman of the U.S. District Court for the District of Columbia — who was nominated by then-President Bill Clinton decades ago — issued the order granting the plaintiff's motion for a preliminary injunction.

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The order signed by Friedman states, in part, that Trump's executive order "is unlawful as applied to the Defendants who are heads of agencies with employees represented by the Plaintiff."

"The effect of the Executive Order was substantial: it removed collective bargaining rights from approximately two-thirds of the federal workforce," Friedman's opinion declared, echoing verbatim a sentence included in an opinion Friedman issued last month in a similar case.

In that case, which was brought by the National Treasury Employees Union, Friedman also targeted Trump's executive order and granted a motion for a preliminary injunction.

JUDGE TEMPORARILY BLOCKS TRUMP ORDER ENDING COLLECTIVE BARGAINING RIGHTS FOR MOST FEDERAL WORKERS

American Foreign Service Association President Tom Yazdgerdi called the ruling "a significant victory—not just for our members, but for the integrity of the Foreign Service and for the accountability and transparency of our member agencies," according to a press release issued by the union.

"President Trump eliminated collective bargaining agreements that risk national security interests. He will always prioritize public safety for the American people," White House spokesperson Anna Kelly said in a statement the White House provided to Fox News Digital on Thursday.

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Fox News Digital also reached out to the Justice Department for comment, but they did not immediately respond.

Human remains were found Wednesday in an upscale Rhode Island beach neighborhood as concerns about a potential serial killer in New England continue to plague the region.

A human leg bone was reportedly found on a beach path off Everett Avenue in Watch Hill, a wealthy coastal enclave in the town of Westerly, according to WJAR. The remains were found just a stone's throw from pop megastar Taylor Swift's beachside mansion in the town. 

The remains were transferred to the Rhode Island Medical Examiner's Office for further investigation. 

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WJAR reported that foul play is not suspected.

The Westerly Police Department declined to comment. The Rhode Island State Police did not return a comment request. 

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The discovery marks the 13th body or set of remains that have been discovered in Connecticut, Rhode Island and Massachusetts since the beginning of March, sparking online chatter about a potential serial killer. 

Five bodies have been found in Massachusetts, five in Connecticut and now three in Rhode Island. 

Two of the bodies were found in the small town of Taunton, Massachusetts. 

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A former FBI agent told Fox News Digital earlier this month that authorities in the region have not released enough information to the public in order to quash the rumors.

"From what I've seen or heard, first and foremost, not enough is being put out there, so we'll continue to create that serial killer idea," Scott Duffey said. 

However, Duffey said he does not believe there is sufficient evidence to merit serial killer claims.  

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"But at the same time, nothing has been said to make any type of connection [between victims]," he said. "And so that's what leads me down to … let law enforcement continue to answer the questions that they need to answer. But nothing that I have seen would arise to a serial killer [being] responsible for any or most of these people who have been found."

One man, Donald Coffel, 68, was arrested in connection with the murder of one of the victims, Suzanne Wormser of Groton, Connecticut. 

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Wormser was Coffel's roommate, and she was found dismembered and stuffed into a suitcase in March, stemming from what police said was an argument over crack cocaine. 

Friday, Coffel died in the Corrigan Correctional Center, according to NBC Connecticut. At the time of his arrest, Coffel reportedly told police that he was in a lot of pain from cancer. 

Fox News' Audrey Conklin contributed to this report.