ORLANDO MASS SHOOTING: Twitter Eyewitness Accounts and Reactions

Harrowing details from people at the scene, plus President Obama, Hillary Clinton and more react.

1.

Pulse Shooting: The shooter inside the club is dead.
— Orlando Police (@OrlandoPolice) June 12, 2016

2.

JUST IN: Orlando nightclub shooter ID'd as Omar S. Mateen, law enforcement sources tell @CBSNews https://t.co/zcv0mxzLiR
— CBSN (@CBSNLive) June 12, 2016

3.

JUST IN: @POTUS briefed on the Orlando nightclub shooting. https://t.co/cajcL8Md9V pic.twitter.com/nociF7ybTh
— Good Morning America (@GMA) June 12, 2016

4.

Orlando health officials tell us they are bringing a blood donation bus to the hospital for people who want to donate #GiveBlood
— Stewart Moore (@Stewartmoore) June 12, 2016