<sod >Ummar Mirza, 21, planned to carry out a stabbing attack with his wife Madihah Taheer, who had fantasised about beheading columnist Katie Hopkins.< eod>< sod > Ummar Mirza, 23, planned to carry out a stabbing attack with the support of his wife Madihah Taheer, who said she fantasised about beheading columnist Katie populande.< eod>