Buhari vs Atiku: What happened in court on Friday as PDP, Atiku make revelations John Owen Nwachukwu John 13 hours ago. Alhaji Atiku Abubakar and his political party, the Peoples Democratic Party, PDP, have told the Presidential Election Petitions Tribunal, PEPT, sitting in Abuja that Aliyu Haidar Abubakar, son of the President of the Court of Appeal, Justice Zainab Bulkachuwa, worked for and supported the Presidential candidate of the APC, President Muhammadu Buhari prior to the February 23 presidential election.