WATCH: Train Hero Stabbed After Leaving Sacramento Gay Bar

A surveillance camera captured a shocking crime that wounded one of the U.S. military men who were hailed as heroes for their actions on a train in France last month: U.S. Air Force Airman 1st Class Spencer Stone was stabbed several times early Thursday morning as he was leaving a gay club in Sacramento.

Stone is listed in serious condition at the University of California, Davis, Medical Center, reports Gay Star News, and is expected to recover. He received stab wounds in the torso.

Stone was barhopping with three women and another man, according to the Sacramento Bee. Prior to the incident, Stone's group had been drinking at the Badlands Dance Club in Sacramento, a source told the Bee. They left, and what happened next was a confrontation outside a liquor store that was captured on video.

A surveillance camera caught the melee that pitted Stone and his group against another group of several men. 'It pretty much just shows the fight in the middle of the intersection,' employee Bryan Romandia told the Bee:

"It looks like it is one against six, but you can't really tell. It looks like a big old scrum and then it looks like someone lunges and everyone disperses from there and there is this discoloration on his shirt and he just walks out of the camera. He walks away from the intersection. I couldn't see any weapon at all."

No one else was hurt. At a news conference Thursday, Sacramento Deputy Police Chief Ken Bernard told reporters his officers had not yet spoken to Stone and did not know if he had been drinking, but said he faced no criminal charges.

'We firmly believe that this is not a terrorism related event and that it is in no way related to the incident that occurred in France. The assault does not appear to be a random act and is believed to be a nightlife related incident,' said a spokesperson for the Sacramento Police Department in a written statement. Police have the video and are using it as part of their investigation and reportedly have asked local bars for their video as well.

"The assault does not appear to be a random act," said Bernard. "It's believed to be related to a nightclub incident." Police insisted in their statements to the news media that they do not consider this a hate crime:

"There was a dispute that led to the altercation. There was conversation and then it continued down the block to where the stabbing occurred. It would be wrong to believe this had anything to do with the bar."

Police have no suspects. They described the men involved in the fight as Asian adult males, wearing white T-shirts and jeans, and say they drove off in a dark gray or black Toyota Camry made between 2009 and 2012.

Stone's parents visited him in the hospital Thursday. The family issued a written statement:

"The family of Airman Spencer Stone appreciates the outpouring of love and support. Airman Stone is in serious condition. His family requests that the media respect his right to privacy at this time."

Last month, Stone and two childhood friends from Sacramento, Alek Skarlatos and Anthony Sadler, gained international fame when they subdued a man armed with an assault rifle and hundreds of rounds of ammunition on the crowded train on which they were riding in France.

The U.S. Air Force tweeted a request for good wishes on behalf of Stone and his family:

Watch surveillance video from the liquor store of the confrontation, below: