A six-storey building has collapsed in the Kenyan capital, Nairobi.
It happened at the Huruma residential estate on Friday.
The Kenyan Red Cross says rescuers are searching the scene.
At least three children and one adult have been taken to hospital.
Many people are feared trapped.
Kenyan television has shown people being pulled from the rubble of the apartment block.
Recent heavy rain has caused problems with transport systems and building safety.
At least three people were killed when a wall collapsed in Nairobi on Friday morning.