Hero train worker who fought Huntingdon knife attacker pictured for first time as family tell of pride

• LNER name heroic train worker who tackled a knifeman on a London-bound train as Samir “Sam” Zitouni.

• “In a moment of crisis, Sam did not hesitate as he stepped forward to protect those around him,” the operator said.

• Mr Zitouni’s family say they are “deeply touched by the outpouring of love and kindness” shown to Mr Zitouni, who remains in a critical condition in hospital.