British Transport Police issued an update over the knife attack on a London-bound train which two people fighting for their lives.<br /><br />Speaking to press outside Huntingdon station, Superintendent John Loveless confirmed four of the ten people initially taken to hospital following the attack have now been discharged. Two remain in a life-threatening condition.<br /><br />Two suspects have been taken into custody, one a 32-year-old black British national, and the second a 35-year-old British national of Caribbean descent.
