LONDON — Ten people remained in hospital on Sunday, nine of them with life-threatening injuries, after a mass stabbing attack spread fear and chaos on a London-bound train in eastern England, British police said. Two suspects were in custody and police said they were working to find a motive.

Details of the attack were sketchy. Bloodied passengers spilled out of the long-distance train when it made an emergency stop on Saturday in the town of Huntingdon, where dozens of police waited, soon after multiple stabbings were reported onboard.

Two people were arrested by armed officers at the station. Police have not identified the suspects or disclosed a motive, but said counterterror police are supporting the investigation.

Defense Secretary John Healey told Sky News that "the early assess

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