Emergency services have been called after "multiple people" were stabbed on a train travelling in Cambridgeshire Two people have been arrested, Cambridgeshire Police say - they're currently at Huntingdon station responding to the incident No details have been released about how many people have been stabbed, or how serious the injuries are The LNER website confirms "emergency services are dealing with an incident between Stevenage and Peterborough" and says all lines are currently closed while the incident is dealt with