At least four people have been killed and several others injured in a stampede at a campaign rally for President Muhammadu Buhari, officials say.
The incident happened at the Adokiye Amiesimaka Stadium in Port Harcourt, River State when the crowd surged towards a gate after President Buhari’s speech.
Nigeria holds an election on Saturday in which Mr Buhari is running for his second term.
Former Vice-President Atiku Abubakar is seen as Mr Buhari’s main contender.
- Does Nigeria’s ‘generation democracy’ want to vote?
- Nigeria’s ‘new broom’ president seeks clean sweep
- The ‘money-maker’ challenging Buhari
What happened at the rally?
The incident happened after President Buhari delivered his speech shortly after 15:00 local time (14:00 GMT) at the Adokiye Amiesimaka stadium, local media report.
Most of the victims are reported to have fallen and been trampled as the crowd tried to force its way through a partially locked gate to follow Mr Buhari as he left the arena.
Injured people were taken to a nearby hospital.
Mr Buhari’s office later said that the president had been informed about “the tragic deaths of several members of his All Progressives Congress (APC) party in a stampede”.