Multiple news outlets blocked from Friday White House meeting

WASHINGTON (WIVB) — CNN reports that multiple news outlets were barred from attending a Friday White House briefing.
CNN was one of the organizations, like The New York Times and Politico, that was blocked from attending the meeting. This was their response on Twitter:CNN was blocked from WH @PressSec's media gaggle today. This is our response: pic.twitter.com/8SfY2uYKEI
— CNN Communications (@CNNPR) February 24, 2017
Some major news organizations like CBS, ABC, NBC and Fox News