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.
More top news
The Independent Police Complaints Commission is considering publishing an unredacted report of what happened at the Battle of Orgreave.
A woman called police in Minnesota to warn them of Prince's 'out of control' cocaine habit in 2011, according to police records.
Six Syrian journalists have been assassinated by so-called Islamic State in the last month, some of them were even thought 'safe' in Turkey.