JOHANNESBURG - The DA is not backing down in its defence of Tshwane City Manager Johann Mettler, who is currently on suspension following allegations of misconduct. DA Tshwane Caucus Leader and mayoral candidate Cilliers Brink claims the move against Mettler is politically motivated. The legal battle over the leadership of the City of Tshwane is set to continue after the High Court in Pretoria postponed the DA's urgent application to Wednesday. READ | DA claims Tshwane council manipulated vote to suspend MettlerThe party is seeking to overturn council resolutions that placed Mettler on precautionary suspension, arguing the decision was unlawful. READ | DA demands urgent action after four Ekurhuleni officials arrestedIt is these very allegations that Brink maintains are "ill defined" and ‘baseless’.