The BBC reports:
The BNP candidate standing for elected mayor of Liverpool has been arrested by Merseyside Police.
Mike Whitby has been detained following an allegation that nomination forms for the mayoral elections had been fraudulently filled in…
The complaint was made to Merseyside Police following an investigation by the Liverpool Echo.
UPDATE September 2012: “The Crown Prosecution Service said there was insufficient evidence to take the case through the courts” - Liverpool Echo