One of three American heroes Attack who foiled a terrist attack on a Thalys train has been attacked.

Spencer Stone, was stabbed repeatedly yesterday afternoon in Sacramento, according to he US Air Force.

“A1C Spencer Stone has been transported to a local hospital, and is currently being treated for injury,” a spokesman for the U.S. Air Force tells PEOPLE. “The incident is currently under investigation by local law enforcement. He is currently in stable condition.” CBS News was the first to report the story.

“It is believed that the victim was out with a group of friends when a physical altercation led to the victim being stabbed multiple times in his upper body. Detectives were called to the scene to assist with the investigation and the victim is currently being treated for what appears to be non-life threatening injuries,” the statement read.

Spencer Stone  Stabbed in California

Spencer Stone Stabbed in California

According to a local NBC affiliate in Sacramento, KCRA, police said Stone was stabbed several times in the torso after a fight near an area of bars in downtown Sacramento.

Police originally thought Stone would not survive the stabbing.and where treating the incident as a homicide, reports the Air Force times.

Air Force Secretary Deborah Lee James posted on Facebook on Thursday that she was saddened to hear that Stone had been involved in the stabbing incident.

“His injuries are serious but he is in stable condition,” James wrote. “Many of you know that he risked his life weeks ago to save many lives during a French train attack. The circumstances for today’s incident are under investigation by the local law enforcement. Meanwhile, please keep him and his family in your thoughts and prayers.”

On 21 August last, a Moroccan of 25, who had an assault rifle with nine magazines, was opening fire in a high-speed train traveling between Amsterdam and Paris when Stone and two other Americans and a Briton got reduce it.

Stone, 23 military, received in September Aviator medal, the highest honor awarded to a member of the Air Force “by an act of bravery outside combat situation.”

In addition, the four were also in France decorated with the Legion of Honor, the highest honor granted by the European country.