The Lynn Road is closed in both directions due to flooding between Surrey Street, Wiggenhall St Germans, and Fitton Road.
The bridge over the Great River Ouse is closed.
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A man who killed two young engineers who were on their way to work in a collision near Littleport has been jailed for five years.
The deaths of a man and a woman whose bodies were found on a mudbank are not being treated as suspicious.
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