BNP leader Nick Griffin will not face any action after he published the address of a gay couple who won a landmark legal ruling on Twitter, police told the BBC.
The MEP published the address of Michael Black and John Morgan on the social networking site and called for a demonstration to be held outside their home.
Following a police investigation and advice from the Crown Prosecution Service no criminal offences were identified.
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After a remarkably mild November - a notable mild start to the new month.
The Facebook founder revealed the plan as he and wife Priscilla Chan announced the birth of their baby daughter, Max.
At least 300 people are actively promoting and recruiting for the terror group from within the United States, academics have found.