Thousands of All Progressive Congress (APC) members in Oyo State were on Saturday locked out of the main bowl of the Obafemi Awolowo Stadium (Liberty Stadium), Oke-Ado, Ibadan.
Security operatives took over the venue of the APC Congress to forestall the breakdown of law and order.
The Nation reports the congress has been postponed twice over allegations by some groups that lists of delegates for the exercise has been doctored.
Not less than 15 Hilux Police patrol vans were stationed at strategic locations within the stadium.
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Asked why the gates were locked, the Area Commander of Police Iyaganku, ACP Sunday Oke, said he was not in the best position to answer.
He said the management of the stadium should be contacted for an answer.
A member of the party from Ona-Ara local government, Soji Oloko, alleged some bad elements in the party were making efforts for the congress not to hold because of personal ambition.
Another APC member from Oluyole local government, Mrs Modinat Asimiyu, said the open field inside the stadium may be used for the Congress.