Pipe bombs packed with shards of glass were intercepted en route to several prominent Democrats, including former President Barack Obama and Hillary Clinton, in an unnerving wave that deepened political tensions and fears two weeks before national midterm elections.
None of the seven bombs detonated Wednesday, and nobody was hurt as authorities in New York, Washington, D.C., Florida and California seized the suspicious packages.
On Thursday, New York police said they were responding to reports of a suspicious package in the Tribeca neighborhood in Manhattan.
A bomb squad unit on Thursday morning drove in a caravan through the city after leaving the neighborhood. It was not immediately clear if the development was related to the pipe bombs sent to the prominent Democrats.
One of the explosives was sent to CNN, which prompted the evacuation of the Time Warner Center in Manhattan where the news outlet has its offices.
The targets of the bombs were some of the figures most frequently criticized by President Donald Trump, who still assails Clinton at rallies while supporters chant "lock her up" - two years after he defeated her and she largely left the political scene. Trump also often singles out cable news network CNN as he rails against the "fake news" media.
Trump took a softer tone at a rally in Wisconsin Wednesday night.
"Let's get along," he said. "By the way, do you see how nice I'm behaving tonight? Have you ever seen this?"
"Acts or threats of political violence have no place in the United States," Trump said. "This egregious conduct is abhorrent."
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