Andrew Mitchell's lawyer has confirmed that the MP has taken legal action against the Sun and indicated that "other potential actions" were being considered.
Graham Atkins said: "I can confirm that I recently issued proceedings for libel against the owners of The Sun on behalf of Andrew Mitchell MP.
"There are a number of other potential actions being considered but I do not intend commenting any further at this stage."
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A widespread frost across the UK as temperatures fall below freezing under clear skies.
After a vote tainted by reports of ballot-box stuffing and forced voting, Putin said Russia was ready to 'cooperate' with Britain.
Largely dry elsewhere tonight with a widespread frost and icy stretches