Government officials from Standard Organisation of Nigeria examine materials used in constructing the building that collapsed in Lagos, Nigeria, Thursday March 14, 2019. A Nigerian official says search efforts have been halted a day after a school building collapsed in Lagos with an unknown number of children inside.(AP Photo/Sunday Alamba
Government officials from Standard Organisation of Nigeria examine materials used in constructing the building that collapsed in Lagos, Nigeria, Thursday March 14, 2019. A Nigerian official says search efforts have been halted a day after a school building collapsed in Lagos with an unknown number of children inside.(AP Photo/Sunday Alamba Sunday Alamba AP
Government officials from Standard Organisation of Nigeria examine materials used in constructing the building that collapsed in Lagos, Nigeria, Thursday March 14, 2019. A Nigerian official says search efforts have been halted a day after a school building collapsed in Lagos with an unknown number of children inside.(AP Photo/Sunday Alamba Sunday Alamba AP