CNN’s headquarters in New York City were evacuated on Wednesday morning as the police investigated a suspicious package — containing a “rudimentary but functional” explosive device — that was sent to the building.

Anchors Jim Sciutto and Poppy Harlow were pulled off the air as alarms went off in the building. Watch the moment above.

CNN’s Washington bureau picked up coverage of the evacuation, which they reported was the result of a suspicious package delivered into the Time Warner building in New York — before being discovered by police.

CNN reported that the device sent to their headquarters was “constructed with pipe & wires,” per a police source.

CNN: The device sent to Time Warner Center was constructed with pipe & wires, according to an NYPD source. Authorities are treating the device as a real explosive. The device was discovered in the mailroom of Time Warner Center. https://t.co/HFY77fGH5H — Vaughn Sterling (@vplus) October 24, 2018

The evacuation of CNN’s headquarters came the day explosive devices mailed to Hillary Clinton and Barack Obama were intercepted by the Secret Service.

CNN staffers posted photos of the aftermath:

CNN New York was just evacuated. Police everywhere pic.twitter.com/yZLB6Cep0i — Eric Levenson (@ejleven) October 24, 2018

CNN head Jeff Zucker sent out an email to staff about the incident:

Here’s the note Jeff Zucker sent to all CNN employees pic.twitter.com/luAVbf4lBL — Oliver Darcy (@oliverdarcy) October 24, 2018

UPDATE 11:19 a.m.: NY1 reporter Myles Miller reported the envelope was addressed to former CIA Director John Brennan — though Brennan is an NBC News contributor. CNN’s Wolf Blitzer later confirmed that the package was sent to CNN and addressed to Brennan.

NEW: I’m told the envelope sent to CNN was addressed to former @CIA director @JohnBrennan, who often appears on that network, according to senior law enforcement sources. pic.twitter.com/4YCp693nj9 — Myles Miller (@MylesMill) October 24, 2018

UPDATE 11:50 a.m.: NBC News reports that law enforcement believes the devices sent to CNN, Obama, Clinton and Soros are “linked.”

This story is developing and will be updated…

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