The Working Group:
Jermaine Towns, left, and Brandon Shuford wait near Pulse nightclub. (Phelan M. Ebenhack/Associated Press)
The Working Group:
Orlando police officers direct family members away from the shooting. (Phelan M. Ebenhack/AP)
The Working Group:
A group of people pray together on Orange Ave. near the Pulse nightclub. (Hansi Lo Wang/NPR)
The Working Group:
More bystanders wait down the street from Pulse nightclub. (Phelan M. Ebenhack/Associated Press)
The Working Group:
Friends and family of victims wait outside of the Orlando Police Department. (Joe Burbank/Orlando Sentinel/TNS via Getty Images)
The Working Group:
FBI assistant special agent in charge Ron Hopper, center, answers questions from the media at a news conference on Sunday. Orlando Police Chief John Mina, left, and Orange County Mayor Teresa Jacobs are also in attendance. (AP Photo/Phelan M. Ebenhack)
The Working Group:
Friends and family members embrace outside the Orlando Police Headquarters. (Reuters/Steve Nesius)
The Working Group:
The scene at the Pulse nightclub following the shooting. (Chris O'Meara/AP Photo)
The Working Group:
View from the street: Pulse nightclub in Orlando, Florida flanked with police cars. (Phelan M. Ebenhack/Associated Press)
The Working Group:
US President Obama addresses the shooting, calling it a "horrific massacre" and an act of hate and terror. (Michael Reynolds/European Pressphoto Agency)