When CNN's New York offices were evacuated, the network had to scramble to keep its 10 a.m. newscast on the air. Correspondent Rene Marsh initially anchored from Washington. She handed off to Wolf Blitzer a short time later.

The New York based anchors who were evacuated, Poppy Harlow and Jim Sciutto, continued to report from a nearby street corner.

The 10 a.m. newscast is usually produced from a control room at CNN Center in Atlanta, so the coverage was seamless on television.

One of CNN's rivals, CBS News, reached out to offer assistance. CBS is located a few blocks away from CNN on the west side of Manhattan.

CNN Worldwide President Jeff Zucker thanked CBS News and news division president David Rhodes "for graciously offering their assistance while we deal with this."

"Really nice to see from our fellow journalists," Zucker wrote in an internal memo.