Delays of up to 20 minutes on CrossCountry between Leeds and York due to broken down train at Cross Gates.
Also affecting First Transpennine Express and Northern Rail services.
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A killer couple who stabbed a man to death on Christmas Eve have been given life sentences.
The firm faced exceptional charges linked to the loss-making rail franchise, which saw profits at the company sink last year.
Mother of two Julie Parkin, 39, suffered knife wounds during the attack in Sunderland in the early hours of Tuesday morning.