Network Rail have confirmed that 1,000m of cable has been stolen from the line between Bedford and Bletchley.
A spokesman told ITV Anglia that rail delays would continue for the rest of the day while engineers worked to make repairs.
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There continues to be a risk of thunder tonight and tomorrow but the weather will become drier and clearer by sunday.
The Chief Exec of car manufacturer Lotus has said he is deeply sorry to announce job losses at the company's head quarters in Norfolk.
A man from Peterborough has admitted murdering his two-month-old daughter two days in to his trial at the Old Bailey.