BOSTON — Federal authorities on Thursday arrested a woman accused of calling in a fake bomb threat at Boston Children’s Hospital, where doctors and staffers have been facing harassment and threats of violence over its pediatric and adolescent transgender health program. 

Catherine Leavy, 37, was arrested at her home in Westfield, Massachusetts, and authorities recovered the phone they believe she used to make the bomb threat on Aug. 30, Massachusetts U.S. Attorney Racheal Rollins told reporters. The threat resulted in a lockdown of the hospital, and no explosives were found.

Leavy is being held pending a detention hearing scheduled for Friday in Boston federal court, Rollins said. She is charged with one count of making a false telephonic bomb threat. It was not immediately clear on Thursday if she has an attorney to comment on her behalf.

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Rollins did not comment directly on the alleged motive in Leavy’s case. But she condemned the barrage of attacks against Boston Children’s Hospital, which is home to the first pediatric and adolescent transgender health program in the United States.

“This alleged conduct is disturbing to stay the least,” Rollins said. “The people that work at Children’s Hospital and the parents that bring their loved ones to Children’s Hospital are under enough stress,” she said.

The hospital became the focus of far-right social media accounts, news outlets and bloggers last month after they found informational YouTube videos published by the hospital about surgical offerings for transgender patients. The hospital swiftly removed the videos.