The New York Police Department (NYPD) is also responding to the suspicious device found at the Time Warner building, CNN reported.
On Wednesday, two days after the first package arrived at Soros' home, the Federal Bureau of Investigation identified five more targets - former president Barack Obama, former secretary of state Hillary Clinton, former Attorney General Eric Holder, former Central Intelligence Agency director John Brennan, and California representative Maxine Waters.
Late Tuesday, an explosive device addressed to former U.S. President Barack Obama was intercepted at his home in Washington D.C. and early Wednesday a similar package was found by the Secret Service addressed to former Secretary of State Hillary Clinton at her home in NY.
Similar packages addressed to Clinton and Obama were intercepted on their way to Clinton's NY home where she lives with former President Bill Clinton and to Washington, where Obama lives with his wife, Michelle.
Cesar Sayoc, 56, was arrested in connection with the suspicious packages, law enforcement sources told CNN.
Other Republican leaders said the same. A similar device bound for California Democrat Maxine Waters, another popular Trump target, was intercepted at a congressional mail facility in Maryland.
A very big part of the Anger we see today in our society is caused by the purposely false and inaccurate reporting of the Mainstream Media that I refer to as Fake News.
CNN cited three unnamed sources saying that the suspicious package was addressed to former CIA Director John Brennan, in care of CNN's NY offices.
At the news conference, Cuomo disclosed that a device was sent to his Manhattan office and that it was being handled.
Top Democrat lawmakers Nancy Pelosi and Chuck Schumer have accused Trump of condoning "physical violence and dividing Americans".More news: Fresh bullpen for Game 7 of NLCS
The package was delivered by courier, law enforcement sources said.
A police bomb squad removed still another from CNN's NY office, which was evacuated. The president revoked Brennan's security clearance in what was seen as an act of retribution. Debbie Wasserman Schultz, another prominent Democrat. The scripted message was a dissonant one for the president, who has repeatedly blasted his political opponents as criminals and argued that they will destroy the country if they win control of Congress in the midterms. He threatened this morning, on the heels of the attack on CNN, that the mass media "had better get its act to together and fast". "Reports of a third intercepted package addressed to the WH are incorrect".
The FBI said the package intended for Clinton was found in the vicinity of her residence in Chappaqua, New York, but offered no additional comment, citing the ongoing investigation.
Speaking at an event in Austin, Texas, Mr Brennan called the spate of pipe bombs "an unfortunate turn of events". "Make no mistake", NY police chief James O'Neill told a news conference, refusing to divulge any leads investigators may have. It was compact, perhaps about the length of a wooden spoon, and contained wires and a black pipe, officials said.
Trump says he's holding back his most fiery rhetoric because he's "trying to be nice".
It is unclear who the package was addressed to, said cops.
The package to Clinton was found late on Tuesday while the one addressed to Obama was recovered early on Wednesday, both during routine off-site mail screenings, the Secret Service said.
The White House condemned the bomb scares, and in a strongly-worded statement, Press Secretary Sarah Sanders said: "We condemn the attempted violent attacks recently made against President Obama, President Clinton, Secretary Clinton, and other public figures".
Police said today that they have intercepted a suspicious package addressed to former USA vice president Joe Biden. One was intercepted at a Los Angeles mail facility.
A "pair of unattended packages" on Thursday evening prompted the evacuation of some areas of the Time Warner Center Mall, the location of CNN's studios in New York City.