Orlando Nightclub Massacre Live Blog: Latest Updates on Pulse Shooting

Image: At Least 50 Dead In Mass Shooting At Gay Nightclub In Orlando
FBI agents investigate near the damaged rear wall of the Pulse Nightclub where Omar Mateen allegedly killed at least 50 people on June 12, 2016 in Orlando, Florida.Joe Raedle / Getty Images

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By NBC News

Forty-nine people were killed and 53 more were wounded when a gunman launched an assault on a gay nightclub in Orlando early Sunday.

What we know:

  • The shooter, killed in a shootout with police after a three-hour siege, was Omar Mateen, 29, of Fort Pierce, Florida.
  • Mateen called 911 before the attack, expressing fealty to ISIS. He had been probed by the FBI twice, but the investigations were closed. He legally bought the two guns used in the attack within the past week.
  • The names of nearly all the victims have been released. Here are some of their stories.
  • Twenty-seven victims remained hospitalized Tuesday. Six were in critical condition.