As real estate business booms in Nigeria, recurring instances of building collapse are a cause for worry.

Nigeria collapsing buildings menace

Rescuers in Nigeria on Wednesday raced to find survivors, two days after a high-rise building under construction collapsed and trapped scores of people in the commercial capital Lagos, as the death toll rose to 22, an emergency official said.

Nigeria races to find survivors as 22 die in a building collapse

A high-rise, under construction building collapsed in Nigeria's commercial capital Lagos on Monday, killing at least four people with dozens more trapped inside.

At least 4 people killed as under construction building collapses in Nigeria