The dramatic withdrawal followed an internal disagreement over the petition, with one group of lawyers representing the APC insisting that the party had authorised the legal challenge, while another legal team led by Senior Advocate of Nigeria, Abiodun Layonu, had earlier disowned the suit.
The development has triggered a fresh controversy over the post-election process in Osun State, coming after the APC candidate had congratulated Adeleke and the party's legal team had resolved not to challenge the election result in court.
Egypt coach Hossam Hassan has been sacked by the country's football association, citing a negative impact on the image of the team as the reason behind the sacking.