The FBI says it has identified the "source of the threat" made against a New Jersey country synagogue.
The idiosyncratic "no longer poses a information to the community", the bureau said successful a tweet, without providing further details.
In a uncommon informing issued connected Thursday, the FBI had referred to "credible accusation of a wide threat" to synagogues successful the state.
Last year, a grounds 2,717 anti-Semitic incidents were reported successful the US.
It was the highest fig since the Anti-Defamation League (ADL), an anti-hate monitoring group, began counting specified incidents successful 1979.
Thursday's informing by the FBI's tract bureau successful Newark, the largest and astir populous metropolis successful the state, was prompted by an online station with anti-Semitic comments.
The young antheral down the station was located connected Thursday nighttime and has been interviewed by agents. Officials are yet to sanction him oregon elaborate connected the circumstantial menace helium posed.
James Dennehy, the peculiar cause successful complaint of the FBI's Newark office, reportedly told religion leaders connected a league telephone Friday that the antheral appeared to person acted alone.
"He expressed radical, extremist views and ideology, arsenic good arsenic an utmost magnitude of hatred against the Jewish community," Mr Dennehy said, according to the New York Times.
New Jersey Governor Phil Murphy said the menace had "violated 1 of the astir cardinal tenets of our federation - the close to worship".
"While this circumstantial menace whitethorn beryllium mitigated, we cognize this remains a tense clip for our Jewish communities," helium said. "We volition not beryllium indifferent. We volition stay vigilant."
The ADL reported 370 anti-Semitic incidents successful New Jersey successful 2021, a grounds for the authorities and besides the second-highest fig down New York.
In April this year, a New Jersey antheral was charged with national hatred crimes for a bid of convulsive assaults astir Lakewood, which is location to a ample assemblage of Orthodox Jewish families.
Other incidents progressive harassment and vandalism, according to the ADL.
The threats travel astatine a clip of respective high-profile incidents of anti-Jewish bigotry nationwide.
Kyrie Irving, a subordinate for the Brooklyn Nets hoops team, apologised connected Wednesday for tweeting a nexus astir a movie featuring anti-Semitic tropes.
Kanye West was past period locked retired of his Twitter and Instagram accounts aft posting anti-Semitic messages.
A hatred radical aboriginal hung banners implicit a Los Angeles motorway expressing enactment for the musician's anti-Semitic comments.