Paul McCartney and Carla Lane, the comedy writer, have criticised the Scottish executive for failing to ban the ritual slaughter of animals. McCartney who, along with his wife Heather Mills, is a vocal campaigner for animal rights, accused ministers of living in the past by effectively condoning cruelty. Lane said the executive’s failure to ban halal and kosher methods of butchering animals – where their throats are cut without first being stunned – was motivated by political correctness.