Detective Superintendent Stuart Morrison explains why Lincolnshire Police has turned to the web as part of their murder investigation into the death of Alan Wood.
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Police have tweeted pictures of a lorry crash on the A1(M) near Peterborough
Remaining very windy with gales. Rain soon clearing, with sunny intervals developing.
Outbreaks of rain, sometimes heavy, will soon clear. Sunshine and scattered showers will follow. Mainly dry later.