Train stabbing latest: Two arrested after multiple people stabbed

All lines are blocked around Huntingdon station due to the incident, according to London North Eastern Railway. 

Major disruption is expected until the end of the day, it says.

Huntingdon station is closed and no trains will call here in either direction until further notice, Thameslink says.

British Transport Police and Cambridgeshire Police are at the scene of an incident where multiple people have been stabbed on a train, the force says.