I reported about the deadly shooting of 'The Voice' singer Christina Grimmie in Orlando yesterday morning and now this.  An early morning shooting at an Orlando nightclub is the worst in U.S. history.

It's a sad day in U.S. History this morning as details come in about a mass shooting in Pulse, an Orlando nightclub, overnight. Omar Mateen has been identified as the gunman. He killed at least 50 and 53 people are at area hospitals with most in critical condition.


Here's the latest.