The British Transport Police, in a statement on X early on Sunday, said at least nine of the victims “are believed to have suffered life-threatening injuries” BBC reported.
declared a “major incident” and said counter terrorism police were now supporting its investigation.
So far, two people have been arrested over the attack, it added.
The Cambridgeshire police issued a separate statement, saying they were called at 19:39 GMT on Saturday after reports that multiple people had been stabbed on a train.
“Armed officers attended and the train was stopped at Huntingdon, where two men were arrested,” the police said.
Earlier in the night, the East of England Ambulance Service said it mobilised a large-scale response to Huntingdon Railway Station, which included numerous ambulances and critical care teams, including three air ambulances.
“We can confirm we have transported multiple patients to hospital,” it said.
One witness described seeing a man with a large knife, and told The Times newspaper there was “blood everywhere” as people hid in the washrooms.
Some passengers were getting “stamped [on] by others” as they tried to run, and the witness told The Times that they “heard some people shouting we love [you]”.
