A former Progressive Labour Party government minister arrested by police at his home the day after the General Election triumph today hit back and insisted he had nothing to hide.Zane DeSilva, a former tourism and transport minister, confirmed the raid was in connection with almost $800,000 of public cash given to US music promoter Anthony Blakey to create a recording studio in Dockyard.Most of the cash has not been paid back and Mr Blakey, of Savvy Entertainment, could not be traced by law