Also, CNN's New York bureau in the Time Warner Center was evacuated after a package with an explosive device, addressed to former CIA Director John Brennan, was discovered, city and local law enforcement officials said.

A law enforcement source said the device found in the Time Warner Center's mailroom is similar to the ones addressed to Obama, Clinton and billionaire investor and major Democratic donor George Soros, which was discovered earlier this week.

The device sent to Time Warner Center was constructed with a pipe and wires, according to a New York Police Department source. Law enforcement authorities are treating the device as a real explosive.

The building's evacuation included offices for WarnerMedia and other Turner-owned properties like TNT, as well as a shopping mall and a Whole Foods grocery store located in the basement level.

The package was removed from the building late Wednesday morning and was sent to an NYPD facility in the Bronx, a law enforcement official said.

The NYPD increased patrols at media locations in the city and other potential areas, a spokesman for the department said.

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