NEW: Columbia University in NYC has suspended classes Monday and Tuesday. "Please understand that the decision to suspend classes does not mean that the University is shutting down," university president Lee C. Bollinger said in a letter sent to students.

NEW: Columbia University in NYC has suspended classes Monday and Tuesday.

"Please understand that the decision to suspend classes does not mean that the University is shutting down," university president Lee C. Bollinger said in a letter sent to students. https://t.co/V44JuzJhtT pic.twitter.com/6fbmIIpI3o

— ABC News (@ABC) March 9, 2020