British police said on Sunday that a knife attack on a train which put 11 people in hospital was not a terrorist incident, adding that two men — both British nationals — had been arrested.

Counterterrorism police had helped with the initial investigation after the mass stabbing of passengers on a London-bound train in eastern England on Saturday.

"At this stage, there is nothing to suggest that this is a terrorist incident," superintendent John Loveless from British Transport Police told media on Sunday.

The two men arrested on suspicion of attempted murder were a 32-year old male, a black British national, and a 35-year old British national of Caribbean descent, Loveless said. Both had been born in the UK, he added.

"It would not be appropriate to speculate on the cause of this incide

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