British police say 10 people have been taken to hospitals after a mass stabbing attack on a London-bound train, nine of them with life-threatening injuries.

Prime Minister Keir Starmer of Britain denounced the attack and advised people in the area to “follow the advice of the police.”

Counterterrorism police are investigating a stabbing attack on a train in England which left 10 people wounded, most of them with life-threatening injuries.

Police in the U.K. say multiple people were taken to the hospital after a stabbing aboard a train. Police said two men were arrested after armed officers responded to the train, which was stopped in in Huntingdon,

Two people arrested after multiple people stabbed on train in Cambridgeshire

The number of victims and extent of their injuries was unavailable. The attack disrupted part of London North Eastern Railway (LNER) service Saturday night, the railway said.

British police on Saturday said they had arrested two people after “multiple” passengers were stabbed on a train in south-east England, in an incident that Prime Minister Sir Keir Starmer called “deeply concerning”.