PHOTOS: Rescue efforts ongoing at collapsed 21-storey building in Lagos

Rescue efforts are ongoing at the 21-storey building which collapsed on Monday in Lagos.

Obafemi Hamzat, deputy governor of Lagos, is also on ground to monitor the process.

Many workers are feared trapped in the building which is still under construction, while three persons have been rescued alive.

Emergency responders comprising officials from the Lagos State Emergency Management Agency (LASEMA), National Emergency Management Agency (NEMA) and the Lagos Building Control Agency are at the building site.

See photos below.