Emergency and rescue personnel are seen at the site of a building which collapsed in Lagos on March 13, 2019. - At least 10 children were among scores of people missing on March 13, 2019 after a four-storey building collapsed in Lagos, with rescuers trying to reach them through the roof of the damaged structure. The children were attending a nursery and primary school on the top floor of the residential building when the structure collapsed. Police said they believed scores of people were trapped under the rubble. (Photo by SEGUN OGUNFEYITIMI / AFP)