The Oyo state governorship election petition tribunal in Ibadan, Oyo state today upheld the April 11th election of the state governor, Abiola Ajimobi. The tribunal was petitioned by Accord party candidate and former governor of the state, Rashid Ladoja. The tribunal ruled that the petitioner failed to prove that the election which brought Ajimobi into office was marred by election malpractice.