An INEC official, who preferred not to be named, confirmed that the office attacked at about 3am on Sunday.
The hoodlums were said to have besieged the office, shooting and destroying property within the premises.
Two generating sets, ballot papers and boxes were among items they destroyed.
Meanwhile, the INEC has declared candidate of the Peoples Democratic Party for Oriade/Obokun federal constituency, Hon. Oluwole Oke, winner of the Saturday National Assembly election.
The returning officer for the federal constituency, Prof. Rasaki Adebayo of the Obafemi Awolowo University, Ile-Ife, who declared the result said Oke won with over 25 thousand votes against the candidate of the All Progressives Congress, Dr. Siji Olamiju, who polled over 19 thousand votes.
