Overview
- British Transport Police and Cambridgeshire Constabulary responded after a 7.39pm report of stabbings on a northbound service between Stevenage and Peterborough.
- Armed officers halted the train at Huntingdon, where two men were detained, and several victims were taken to hospital.
- Huntingdon station is closed with all lines blocked, and the A1307 approaching the town centre is shut.
- LNER issued a Do Not Travel notice with major disruption expected across the route and no Thameslink calls at Huntingdon.
- Authorities have not released casualty numbers, injury details or a motive, and ask witnesses to quote incident 495 of 1 November when sharing information.