Relationship uncovered during probe into fired anchor Chris Cuomo, who helped his brother deal with sexual harassment charges

'Let me be clear — we have a zero tolerance policy on this,' chief Jeff Zucker says in memo reminding staff of network's vaccine mandate

After comparison sparks uproar, anchor ends next show recognizing Hitler's actions 'stand alone' in history, says just trying to 'show how democracy can potentially slip away'

Anchor's 'false equivalence' between a sitting US president and Kristallnacht pogrom belittles the immense tragedy of the Holocaust, Diaspora Affairs Minister Yankelevich charges