New York City Shutting Down: National Guard Soldiers Deployed (VIDEO)

Here are some key things you need to know about Hurricane Sandy and how it is affecting the New York City region:

- New York City ordered an evacuation of Zone A areas of the city and schools were ordered closed on Monday.

- Gov. Andrew Cuomo directed the New York Army and Air National Guard to mobilize in response to Hurricane Sandy.

- Gov. Chris Christie ordered evacuations of New Jersey barrier islands and closed all state offices on Monday.

- Gov. Dannel Malloy ordered evacuations of parts of several Connecticut cities and said the state is likely to see the worst-case scenario from the storm.

- All mass transit in and out of New York City was being shut down on Sunday night including MTA, NJ Transit and PATH service.

- Major carriers canceled all flights into and out of three area airports in the New York metro area.

- New York Downtown Hospital in Lower Manhattan was evacuated Sunday due to the threat of power loss in the area

- Broadway took the threat of the mammoth storm seriously, with theater owners canceling all Sunday evening and Monday performances

- The New York Stock Exchange and the NYMEX were shutting their trading floors in New York Monday but trading will continue electronically