Chief Ojo, a legal practitioner, was said to have slumped while playing lawn tennis at his Lokoja residence on Tuesday evening.
He was said to have been immediately rushed to a nearby hospital where he was later confirmed dead.
The state Publicity Secretary of the party, Bode Ogunmola, confirmed the incident, describing the deceased as “one of the reliable pillars of the party who did all he could in the last governorship election.”
He prayed to God to give the family and party members the fortitude to bear the loss.
Chief Ojo was said to have retired few years ago from the legal department of the Central Bank of Nigeria (CBN) before venturing into partisan politics.
He was later elected as the Zonal Chairman of the party overseeing the Kogi West senatorial district comprising of seven LGAs of the Okun- Yoruba speaking group, Lokoja and Koton Karfe axis.
He was re-elected in September last year during the state convention.
Chief Ojo, who was in his late 60s, hails from Okoro Gbede in Ijumu LGA of the state, was described as a highly intelligent, affable, humble and reliable personality.