A MAN has pleaded not guilty to murdering his ex-partner.Kostadin Kostov, aged 42, appeared at court to deny murdering mother-of-three Gergana Prodanova.He is set to face a judge and jury next February following her disappearance in Exeter on August 4.Kostov, of Mount Pleasant Road in Exeter, allegedly murdered his former partner sometime between August 4 and August 10.Ms Prodanova was reported missing on August 8 when she failed to turn up to work at the city's Great Western Hotel.The last CCTV...
