A member of train staff who has been credited with saving many lives during Saturday's mass stabbing on an LNER train service has been named as Samir Zitouni.
The Customer Experience Host, 48, has been left fighting for his life in hospital after his "incredibly brave" actions.
He remains "critically unwell" but stable in hospital, British Transport Police have confirmed.
Anthony Williams, 32, was charged with 10 counts of attempted murder for the incident that occurred during LNER's 6:25pm service from Doncaster to London King's Cross on Saturday.
David Horne, managing director at LNER, hailed Mr Zitouni's actions on the train, saying: "In a moment of crisis, Sam did not hesitate as he stepped forward to protect those around him.
"His actions were incredibly brave, and we are so proud of him, and of all our colleagues who acted with such courage that evening. Our thoughts and prayers remain with Sam and his family.
"We will continue to support them and wish him a full and speedy recovery."
Mr Zitouni's family also described him as a "hero", while thanking LNER's "incredible" support: "We have been deeply touched by the outpouring of love and kindness shown to Sam, and by the many well wishes for his recovery.
A member of train staff who has been credited with saving many lives during Saturday's mass stabbing on an LNER train service has been named as Samir Zitouni
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"The care provided by the hospital and the support from his colleagues at LNER has been incredible.
"We are immensely proud of Sam and his courage. The police called him a hero on Saturday evening, but to us - he's always been a hero."
Witnesses praised his brave actions as the horror unfolded, detailing Mr Zitouni's attempts to tackle the alleged knifeman with his bare hands.
British Transport Police described Mr Zitouni, who has been employed at LNER for over 20 years, as "nothing short of heroic".
Ten people were taken to Addenbrooke's Hospital in Cambridge after boarding the train service destined for London King's Cross, with an 11th admitting themselves later in the day.
Ten people were taken to hospital following the Huntingdon attack, with another person later presenting themselves to hospital | GETTYWhile six of those have been discharged, four remain in hospital but in a stable condition.
Mr Williams appeared in court on Monday facing 11 counts of attempted murder, including the mass stabbing and an earlier attack at a London station.
British Transport Police confirmed Williams had been charged with attempted murder and possession of a bladed article in connection with an incident at Pontoon Dock station on a DLR train at around 1am on November 1.
A 17-year-old victim suffered facial injuries after being attacked with a knife.
Police are also investigating an incident when a 14-year-old boy was stabbed in Peterborough city centre, at 7.10pm on Friday just 24 hours before the train stabbing spree.
Mr Williams was remanded into custody to appear at Cambridge Crown Court on December 1, and is being treated as the sole suspect in the train stabbing case.
Police confirmed it is not being treated as a terrorist-related incident, and Mr Williams was not known to counter-terrorism police, but is said to have a history of mental illness.
Prime Minister Sir Keir Starmer described the incidents as “deeply concerning”, while Conservative Party leader Kemi Badenoch said there is "clearly something going wrong in our society."