A two-storey building under construction on Tuesday collapsed in Ibadan, injuring eight persons.
The building located on Eleyele road in Jericho area of Ibadan collapsed around 4pm.
Speaking with News Agency of Nigeria, one of the bricklayers at the site, Mr Kazeem Adebayo, said concrete casting on a portion of the building had started when it gave way.
Adebayo said that a portion of the building began to give way around 3.30 pm and the attention of the site engineer was drawn to the development.
He alleged that the engineer ordered them to continue work only for the building to collapse shortly afterwards, injuring those working close to the collapsed portion.
A representative of the Architect Registration Council of Nigeria, Mr Olatunji Bolu, said the body was still investigating the cause of the incident while the outcome would be made public.