Authorities have intercepted suspicious packages intended for Sen. Cory Booker and former Director of National Intelligence James Clapper, authorities said Friday.

The packages are the latest to be sent to prominent Democrats and critics of President Donald Trump that were discovered earlier this week.

The FBI said Friday that the package addressed to Booker, a New Jersey Democrat, was discovered in Florida and is “similar in appearance to the others.” Sources told CNN the package was addressed to the senator’s Camden, New Jersey, office.

The package addressed to Clapper also was addressed to CNN, a law enforcement official said. It was found at a New York City postal facility and was similar to the other packages, the official added.

On Thursday, two law enforcement officials familiar with the investigation told CNN that the nationwide manhunt for the person or people who sent the potential bombs has led authorities to a mail facility in Opa-locka, Florida.

Law enforcement authorities are treating the bombs as a domestic terror matter. The motive is unknown, but the recipients are all prominent targets of right-wing criticism and, in many cases, of Trump himself.

Clapper, who has frequently criticized Trump, vowed to CNN Friday morning that he wouldn’t be intimidated in light of the discovery.

“I do want to just echo one thing that (former CIA Director) John Brennan said and that this is not going to silence the administration’s critics,” Clapper said.

This story is breaking and will be updated.