In addition to the problems out of Euston station, there are also problems at King's Cross. East Coast is advising customers out of King's Cross not to attempt to travel on its services north of Newcastle.
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The victim of a "violent and sustained attack" on the top deck of a London bus has been named as Archie Sheppard.
Transport for London has made the badges and accompanying cards permanently available after a successful trial in autumn last year.
A rapist has been given three life sentences for a vicious attack on an 81-year-old woman minutes after he sat next to her on a bus.