Orlando Pulse nightclub shooting: what we know so far The first clubbers knew of the attack was when gunshots broke out on the dance floor around 2am on Sunday morning.<br />An officer who was at the club exchanged fire with the gunman, who then took refuge inside the club with around 30 hostages.<br />People inside the club texted updates to police who decided as a result to launch a raid around 5am local time About 20 vicims found dead: "Approximately 20 are dead inside the club," the chief said during the news conference Police described the mass shooting as a "domestic terror incident."<br />The club: The Pulse club describes itself on social media as “Orlando’s Premiere Gay Ultra Lounge Nightclub and Bar”