Several US media outlets reported that the suspect was taken into custody for questioning in Florida.
New York: Federal agents have arrested a suspect in connection with at least 12 suspicious packages and mail bombs sent to top Democrats and liberal critics of President Donald Trump, an official confirmed Friday.
"We can confirm one person is in custody," a US Department of Justice spokeswoman tweeted, announcing that a news conference would be held at 2:30 pm (1830 GMT).
Several US media reported that the suspect was taken into custody for questioning in Florida.