Police have revealed they are investigating allegations by eight people over abuse received on social networking site Twitter.
The Met said its e-crime unit was looking into the claims, three of which are incidents outside of London.
The force said: "Whilst outside PCeU's cyber operational remit, the MPS has taken the decision to centralise the individual investigations, including three that are outside London, to make the most effective use of resources avoid duplication by separate."
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The PM promises to double to 200,000 the number of homes built under an existing scheme aimed at easing Britain's housing shortage.
The Met Office has weather warnings in place for snow and ice until 10am in the north and west.
The plan, which would effectively strip banks of the benefit of recent corporation tax cuts, forms part of the party's election manifesto.