From CNN:
Sunday, 2:02 a.m. ET: Shooting erupts at Pulse, a gay nightclub in the heart of Orlando, as some 320 people enjoy the club's "Latin flavor" event.
An officer working extra duty in full uniform at the club responds.
The shooter goes inside the club, a hostage situation develops.
Some 100 officers from the Orange County Sheriff's Office and the Orlando Police Department respond to the chaotic scene.
2:09 a.m. ET: Pulse posts an urgent message on Facebook: "Everyone get out of Pulse and keep running."
A tense standoff follows. Police say they had to wait three hours to access the situation, get armored vehicles on to the scene and make sure they had enough personnel.
Sunday, approximately 5 a.m. ET: Heavily armed SWAT team members use an armored vehicle to smash down a door, clearing the way for some 30 people in the club to flee to safety.
SWAT officers confront the suspect in the doorway, shoot and kill him.