anonymous woman has recounted how john key kept playfully pulling her hair despite being told to stop during election time last year .
mr key defended his pranks as ` a bit of banter ' and said he had already apologised for his actions , stuff.co.nz reports .
a waitress has revealed how the new zealand prime minister had repeatedly given her unwanted attention while she was working at a cafe in auckland frequented by him and his wife bronagh .