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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Norwich City Manager Alex Neil admits that his team's hopes of sealing automatic promotion to the Premier League are probably over.
The number of people able to vote in the Anglia region has dropped by more than 70,000 after changes in the voter registration process.
Cool winds are expected throughout the weekend. Saturday will be sunny but Sunday will be cloudy.