The latest on the gunman who was subdued by passengers after opening fire at a train traveling from Amsterdam to Paris (all times local Paris time): 
 
 French police officers patrol at Gare du Nord train station in Paris, France, Saturday, Aug. 22, 2015. A gunman prepared to open fire with an automatic weapon on a high-speed train traveling from Amsterdam... (Associated Press) 
 
 Members of a police forensics team take part in an investigation next to a Thalys train on the platform at Arras train station, northern France, Saturday, Aug. 22, 2015. A gunman prepared to open fire... (Associated Press) 
 
 Members of a police forensics team take part in an investigation inside a Thalys train on the platform at Arras train station, northern France, Saturday, Aug. 22, 2015. A gunman prepared to open fire... (Associated Press) 
 
 A police investigator walks next to a Thalys train on the platform at Arras train station, northern France, Saturday, Aug. 22, 2015. A gunman prepared to open fire with an automatic weapon on a high-speed... (Associated Press) 
 
 French soldiers patrol at Gare du Nord train station in Paris, France, Saturday, Aug. 22, 2015. A gunman prepared to open fire with an automatic weapon on a high-speed train traveling from Amsterdam to... (Associated Press) 
 
 8:00 p.m. (6:00 p.m. GMT) 
 
 President Obama has telephoned USAF Airman First Class Spencer Stone, Army National Guard Specialist Aleksander Skarlatos, and Anthony Sadler to commend and congratulate them for their courage and quick action aboard their Paris-bound train last night. Principal Deputy Press Secretary Eric Schultz said Obama expressed gratitude to the trio for their heroic actions forestalling an even greater tragedy. Obama wished Stone a full and speedy recovery, and expressed how proud all Americans are of their extraordinary bravery. 
 
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 7:40 p.m. (5:40 p.m. GMT) 
 
 Spencer Stone, widely acclaimed as an American hero for his aggressive role in taking down the train gunman, was seen Saturday leaving a hospital in Lille where he was treated for a hand injury. He walked out, waved quickly and slipped into a black sedan with diplomatic license plates. It was not immediately clear where he was headed. 
 
 Stone, who is in the Air Force, was also commended for helping an injured train passenger, a French-American, bleeding from a gunshot wound. That passenger, a teacher who resides outside Paris, was being treated in another hospital in Lille. 
 
 French President Francois Hollande said in a statement that he spoke with President Barack Obama to personally thank him for the "exemplary conduct of American citizens who stopped an extremely serious attack." 
 
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 5:30 p.m. (3:30 p.m. GMT) 
 
 Chris Norman, a British businessman who helped three Americans to subdue the train gunman, said he was working on his computer when he heard a shot and glass breaking. 
 
 He said his first reaction was to hide. "Then I heard one guy, an American, say 'go get him,' and another American say 'Don't you do that buddy.'" 
 
 Norman was the fourth to join in subduing the gunman. 
 
 Norman told reporters: "He had a Kalashnikov, he had a magazine full, I don't know how many magazines he had. My thought was, OK, probably I'm going to die anyway. So, let's go. I'd rather die being active." 
 
 Norman, who was returning from a business trip in the Netherlands to his home in southern France, said the gunman was small and not visibly strong but "he put up quite a bit of a fight." 
 
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 3:30 p.m. (1:30 p.m. GMT) 
 
 The Belgian government has stepped up rail security after a gunman who boarded a Thalys train in Brussels was subdued by passengers on the Paris-bound service. 
 
 After a meeting of the country's national security council Saturday, Prime Minister Charles Michel's office announced that mixed Franco-Belgian security patrols would be beefed up on the high-speed Thalys trains, which link major cities in the Netherlands and Belgium to Paris. Patrols and security checks will also be boosted at international rail stations, and more baggage checks will now be carried out. 
 
 Police have also been warned to be on alert at major events and public gatherings. Before the incident, Spanish authorities had warned Belgium about a suspect in the country with links to Islamic extremists. However, the suspect held in France has not been officially identified. 
 
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 2:55 p.m. (12:45 p.m. GMT) 
 
 French actor Jean-Hugues Anglade, whose finger was injured "to the bone" as he broke the emergency alarm glass, told the magazine Paris-Match that passengers thought they were going to die "because we were prisoners of this train." Anglade said he, his two children and companion were in the last car, No. 11, one car away from No. 12 where the gunman was tackled and subdued. 
 
 He said, "We heard passengers shouting in English, 'He's firing, he's firing. He has a Kalashnikov.'" He said he saw train personnel running down the corridor to take refuge in their work car, and claimed they locked the door and refused to answer desperate knocks. 
 
 Then Anthony Sadler, one of the three Americans traveling together, came into their car and said the gunman had been subdued. 
 
 "We were in a bad spot but with good people," Anglade said. "We were incredibly lucky to have American soldiers with us. I pay homage to their heroic courage and thank them. Without them, we all would be dead." 
 
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 1:45 p.m. (11:45 a.m. GMT) 
 
 Spencer Stone, an American Air Force serviceman stabbed while tackling a gunman on a European train, has been transferred to a larger hospital in northern France. 
 
 The Pentagon has said Stone's injuries are not life-threatening. 
 
 Two officials at the hospital in the northern French city of Arras where Stone was initially treated said he was transferred Saturday to a larger hospital in Lille. They did not provide a reason for the move. 
 
 Stone's traveling companions say he intervened to immobilize the suspect, and the gunman stabbed Stone with a box-cutter. Stone then acted quickly to help reduce the bleeding of another wounded passenger, they said, praising his bravery. 
 
 Stone is stationed in the Azores and is from Carmichael, California, according to the stepmother of one of the Americans aboard. 
 
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 1:25 p.m. (11:25 a.m. GMT) 
 
 French President Francois Hollande will meet with several American and French citizens who helped subdue a gunman on a high-speed train traveling from Amsterdam to Paris. 
 
 Hollande's office said in a statement Saturday that he would meet with them at the presidential palace in the coming days to "express France's gratitude." 
 
 Three Americans, a British passenger and a French passenger were involved in the action to wrestle the man to the ground and disarm him after he fired a weapon on the train, according to accounts from three of them and French Interior Minister Bernard Cazeneuve. 
 
 Two people were wounded in the incident Friday night — an American Air Force serviceman who was stabbed while intervening, and a French-American dual national who was hit by chance by gunfire, Cazeneuve said. ||||| Three Americans -- two of them service members -- helped foil a potentially deadly attack when they subdued a man armed with an assault rifle and other weapons on board a high-speed train bound for Paris, officials said. 
 
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 Spencer Stone, Alek Skarlatos, and Anthony Sadler were on a train from Amsterdam to Paris on Friday when a man armed with an automatic rifle and a box cutter started attacking passengers. Sadler was visiting Stone, 23, an Air Force airman first class stationed in Portugal, and Skarlatos, 23, an Army National Guard specialist stationed in Afghanistan. 
 
 "I came to see my friends on my first trip in Europe and we stopped a terrorist," Sadler told Eurovision. "It's kind of crazy." 
 
 Sadler said that during the ride they heard a gunshot and glass shattering in the train car behind them. They then saw an armed man entering their carriage and holding an automatic weapon as if he was ready to begin firing. 
 
 "Alek just yells, 'Spencer go!' and Spencer just gets up within five seconds of the guy being in the car and just rushes back there," Sadler said. "He gets up, I get up and Alek gets up and all three of us just rush back there." 
 
 Stone tackled the attacker to the ground, Sadler said. As Sadler, Skarlatos, and a fourth passenger, Chris Norman, jumped in to hold him down, the attacker pulled out a box cutter and slashed Stone, Sadler said. 
 
 Stone's finger was nearly severed, according to his family. 
 
 "I just wish he [Stone] didn’t have to get hurt, but they saved lives," Stone’s mother, Joyce Eskel, told ABC affiliate KXTV-TV in Sacramento, California. 
 
 Stone was released from a hospital in Lille, France, on Saturday. 
 
 Reuters 
 
 "If anybody is a hero, it is pretty much Spencer," Sadler said. "He was bleeding himself, could barely see, blood running down his own face." 
 
 Obama called Stone, Skarlatos and Sadler on Saturday to commend them for their courage and heroic actions, said Principal Deputy Press Secretary Eric Schultz. Obama also wished Stone a "full and speedy recovery, and expressed how proud all Americans are of their extraordinary bravery," said Schultz. 
 
 Norman said Saturday he was acting purely on survival instincts when he jumped in to help hold the attacker down. 
 
 "My thought was I'm probably going to die anyway, so let's go," he said. "I'd rather die being active ... than simply sit in the corner and be shot." 
 
 Philippe Huguen/AFP/Getty Images 
 
 The attacker was taken into custody as the train was stopped in Arras, France, about two hours northeast of Paris. He was being interviewed by French counter-terrorism officials Saturday, French Interior Minister Bernard Cazeneuve said. 
 
 Cazeneuve said did not release the suspect's name, but said that if he is the man he says he is, then he is a 26-year-old Moroccan who Spanish authorities say is a member of the radical Islamist movement. 
 
 A spokesman for Belgium's federal prosecutor said the man arrested was identified as Ayoub El Khazani. Belgian authorities were investigating where he lived and where he got the weapons, the spokesman said. 
 
 According to Cazeneuve, the suspect was armed with a Kalashnikov assault rifle, a 9mm automatic pistol and a box cutter. 
 
 A French actor, Jean-Hugues Anglade, suffered non-life threatening injuries in the attack, said Cazeneuve, who also thanked the Americans for their courage and cool nerves. 
 
 REUTERS 
 
 ABC News' Mustafa Hameed and Rachel Katz contributed reporting. ||||| Sacramento college student Anthony Sadler was on his first trip to Europe when his heroism made him an international figure. 
 
 Sadler and two other men were credited with stopping a terrorist attack on a French train Friday. 
 
 "I'm just a college student. This is my last year in college," Sadler said at a news conference in France. "I came to see friends and ... my first trip in Europe. And we stopped a terrorist. It's kind of crazy." 
 
 Sadler grew up in the Sacramento suburb of Rancho Cordova and is a senior at Sacramento State University. 
 
 His parents said they got a call from Sadler on Friday night telling them what happened. 
 
 "He has a great love for his friends and there's no way he would stand on the sidelines and watch them get attacked," Anthony Sadler said in a phone interview with The Times Saturday morning. "I'm thanking God they were not seriously injured." 
 
 Sadler said he's been told his 23-year-old son may meet with the French president, and that a phone call from President Obama is possible. 
 
 "It's pretty awesome," the elder Sadler said. "I'm a senior pastor and my son is a man of faith. The fact they were on that train, in that country on that day is not a coincidence." 
 
 Sadler, a senior at Sacramento State University studying kinesthiology, was traveling with Spencer Stone, of Carmichael, California, and Alek Skarlatos, a National Guardsman from Roseburg, Oregon, when they heard a gunshot and breaking glass. 
 
 The elder Sadler said his son told him the gunman entered the car brandishing an automatic rifle and other weapons. A conductor tried and failed to subdue him and the three young men, friends since childhood, made a "split-second decision" to jump in the fray. 
 
 "Alek yells, 'Go!' or 'Get him!' and at that point Spencer jumps in then Alek and Anthony follow," Sadler said. "They're pretty strong young men." 
 
 After Alek wrestled away the rifle, the gunman pulled out a box-cutter and "almost severed" Stone's thumb, Sadler said. With the help of a fourth man, they were able to get him to the ground and tie him up until police came, Sadler said. 
 
 The three men were friends since middle school in n the Sacramento area, and decided to take the excursion before Stone was reassigned from Europe at the end of the years, Sadler said. 
 
 It was Anthony's first trip to Europe and he enjoyed taking pictures and "the yummy food" in Venice and Amsterdam before heading on the train to Paris," Sadler said. 
 
 "We live in a world full of good and evil and the only thing necessary for evil to triumph is for good men to do nothing," Sadler said. "I'm thrilled to death good men did way more than nothing."
– The three Americans credited with stopping a terrorist attack on a high-speed train yesterday in Belgium received a phone call from President Obama today thanking them for their heroism, the AP reports. Obama also received a grateful phone call today, with French President Francois Hollande thanking him for the "exemplary conduct of American citizens who stopped an extremely serious attack." The three Americans were identified earlier as Spencer Stone with the US Air Force, Aleksander Skarlatos with the Army National Guard, and college student Anthony Sadler. All three have been friends since childhood. "I came to see friends," the Los Angeles Times reports Sadler saying at a French news conference. "My first trip to Europe and we stopped a terrorist. It's kind of crazy." But the Americans weren't the only ones who intervened. The AP reports British businessman Chris Norman was on his laptop when he heard the first shot. He said he was going to hide until he heard the Americans go on the attack, at which point he helped subdue and hogtie the gunman. "My thought was, OK, probably I'm going to die anyway," Norman said. "I'd rather die being active." Norman said the gunman was small but "put up quite a bit of a fight." Stone, who was hospitalized with a severe stab wound to his hand, waved to reporters as he was seen leaving a French hospital today. ABC News reports a Belgian official has identified the suspected shooter as 26-year-old Ayoub El Khazani. He reportedly had a Kalashnikov assault rifle, a 9mm pistol, and a box cutter.