The Lagos State Emergency Management Agency was uncertain about the number of people rescued, after a four-storey building containing a nursery/primary school collapsed in Itafaji, in Lagos Island today.
Rescue operations are now ongoing with Parents at the scene weeping and calling out the names of their children.
Workers from the Red Cross and police shovelled debris away as thousands of people swarmed around the accident site, before heavy lifting equipment began to arrive.
President Muhammadu Buhari says he is extremely saddened by the collapse of a building housing a school in Itafaaji area of Lagos, which left fatalities, particularly of small children.
Lagos is one of the fastest growing cities in Africa, resulting in fierce competition for land.
Unless something urgent is done, we may be witnessing more building collapses, as over 1000 buildings in Lagos Island have been allegedly certified distressed. We met the local people in operation when we came in. Some of them have been rushed to the General Hospital.
As the day wore on, several children were brought out, at least one of whom appeared to be dead.
It was learnt that the structure collapsed around 10:00am while class was on.
Covered in dust, he was alive but unconscious and appeared to be badly hurt.
The collapse happened at roughly 10am local time on Wednesday. They cheered as the child was lifted out.
Onlookers crowded around the area in the densely populated neighborhood in Lagos, Nigeria's commercial capital.
The same year, 30 people died when a five-storey building, under construction, collapsed in Lagos.
Building collapses are frequent in Nigeria, where regulations are poorly enforced and construction materials are often substandard.
In December 2016, at least 60 people were killed when a roof fell in on a church in Uyo, the capital of Akwa Ibom state, in the east of the country.