LATEST | A 32-year-old man who was arrested in connection with the Huntingdon train knife attack is now being treated as the only suspect, British Transport Police (BTP) said. The man, from Peterborough, boarded the train at Peterborough station.

UPDATE | Supt John Loveless said the two suspects were both British nationals and remain in police custody. Both suspects were born in the UK and have been arrested on suspicion of attempted murder.

CTE | A former head of counterterrorism at the Ministry of Defence has said the involvement of counterterrorism police in investigating the stabbings at Huntingdon does not mean it will be declared a terrorist incident.

MISINFORMATION | Home Secretary Shabana Mahmood said she was "deeply saddened to hear about the stabbings", but urged people to "avoid comment and speculation at this early stage".

LATEST | Nine people are fighting for their lives in hospital after a mass stabbing on a train in Cambridgeshire on Saturday.

LATEST | Multiple people stabbed on train in Cambridgeshire as Starmer calls incident 'deeply concerning'.