LONDON — A routine railway journey was plunged into chaos when multiple people were stabbed aboard a train speeding through eastern England.

Police on Monday charged a 32-year-old man with attempted murder over the attack on Saturday evening, which left almost a dozen people injured. Another man who was arrested initially was released.

Police are still working to uncover a motive, but say it doesn’t appear to be an act of terrorism.

Here’s what to know:

The train was heading for London

The train left Doncaster in northern England at 6:25 p.m., bound for London’s King’s Cross station. It was about halfway into its 2-hour journey and had just departed from a stop at Peterborough when police began receiving calls about people being stabbed onboard.

Passengers described panicked traveler

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