A 32-year-old man has been charged with 10 counts of attempted murder after multiple people were stabbed on a train.
Anthony Williams, from Peterborough, was arrested after the attack on an LNER train from Doncaster to London King’s Cross, which stopped in Huntingdon, Cambridgeshire, shortly before 20:00 GMT on Saturday.
British Transport Police said he had also been charged with one count of actual bodily harm and one count of possession of bladed article.
Mr Williams is due to appear at Peterborough Magistrates’ Court later.
He has also been charged with another count of attempted murder and possession of a bladed article, in connection with an incident at Pontoon Dock DLR station earlier on Saturday.
Deputy Chief Constable Stuart Cundy said: “The criminal investigation and support for the victims is a priority for British Transport Police.
“Our investigation is also looking at other possible linked offences.”
Tracy Easton, chief crown prosecutor for the Crown Prosecution Service, said it had “worked closely with British Transport Police to review a huge volume of evidence including CCTV”.
“The number of charges will be kept under review as this continues to progress.”
Police said the charge of actual bodily harm was related to an alleged assault on a police officer in a custody suite, following the incident at Huntingdon.
A railway staff member who protected passengers during the Huntingdon attack is in a “critical but stable condition” in hospital, according to transport secretary Heidi Alexander.
Eleven people have been treated in hospital and five are still receiving care.