“I was at the other side when the building collapsed. There were some people selling food and drinks at the ground floor. They are all trapped. I’m not too sure of the number,” said Ahmed Musa, an unemployed graduate.
Building collapses are common in Nigeria, where building codes are regularly flouted.
In September 2014, 116 people including 84 South Africans, were killed in Lagos after a six-storey guesthouse connected to televangelist TB Joshua collapsed.
The inquest verdict attributed the disaster to structural failures and said the building did not have planning approval.
In December 2016, at least 60 people died after a church roof collapsed in Uyo, the capital of eastern Akwa Ibom state.