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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Around 300 people of all ages set out from Parker's Piece to parade through Cambridge city centre today in support of refugees.
Cooler, but dry with some sunshine Sunday.
A convicted fraudster from Norfolk has been jailed for seven years after plotting to kill his former partner in crime.