Officials say Airman First Class Spencer Stone was stabbed three times in the torso while protecting a friend outside a bar early Thursday morning.
Surveillance video shows the fight and suspects leaving in a dark colored 2009 to 2012 Toyota Camry.
SURVEILLANCE VIDEO: Spencer Stone attacked in fight
Hospital officials say Stone's injuries are serious, but he just got updated to fair condition and is expected to make a full recovery.
Stone became an international hero in late August when he, along with Alek Skarlatos and Anthony Sadler, tackled a gunman on a high-speed train from Belgium to Paris.
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