A building located on Sonuga Street, Palm Avenue in Mushin area of Lagos collapsed on Friday.
The Permanent Secretary, Lagos State Emergency Management Agency, Dr Olufemi Oke-Osanyinyolu, who confirmed the incident, said rescue operations are ongoing at the site of the collapse.
Oke-Osanyintolu said the structure came down around 12 noon.
It is not yet clear if anyone was trapped in the rubble of the collapsed structure.
Building collapse has become a recurring incident in various parts of Lagos in recent years. About two weeks ago, a seven-storey building went down in the Oniru area of the state, killing six persons.