Pulse Orlando had posted on its own Facebook page- “Everyone get out of Pulse and keep running.”
A state of emergency was declared across the City of Orlando.
The gunman was killed after an intense battle with SWAT teams. At least nine officers were involved in the operation.
Many spent the early hours of the morning waiting outside local hospitals, some of which were in 'lockdown' since the shooting, admitting only patients and essential personnel.
The gunman was armed with assault-type rifle, handgun, some type of device, Police Chief John Mina (in picture) told the media.
The suspect may have 'leanings' to Islamic extremism, an FBI spokesman said.