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Nigel Farage's eventful trip to Scotland

17 May 2013 Last updated at 15:32 BST

The UKIP leader Nigel Farage has told the BBC he will not be intimidated out of Scottish politics despite needing police protection during a visit to Edinburgh on Thursday.

He accused demonstrators of being anti-English and warned of dark forces in Scottish nationalism.

The SNP say Mr Farage has lost the plot.

BBC Scotland's political correspondent Raymond Buchanan reports.