The lady’s offence was that she supposedly did not greet him when they met somewhere in town.
The police said one of the bandits was shot dead on the spot, another with bullet wounds died later, and four others escaped.
The police in Ogun have denied the rumour making rounds on social media.
The police command in Ogun on Thursday said it arrested four suspects who specialised in robbing and killing POS and Uber operators.
The young man is suspected to be a member of kidnap syndicates that have been terrorising the area for a while.
The sister of the victim was also stabbed when she tried to hold back the suspect.
The suspect said the okada rider collapsed while they were fighting.
The police in Ogun have arrested three suspected cultists for beating and torturing an unwilling person to join their cult group.
Unknown gunmen have abducted four Chinese workers handling the Lagos-Ibadan standard gauge railway project and killed a policeman in Ogun.
The owner of the farm and a 17-year-old Togolese lady were also reportedly kidnapped.
