Rescue efforts were underway after three people were killed and dozens remained trapped after a multi-storey building under construction collapsed in the South African city of George, authorities said.

Rescuers searched through the debris of a multi-storey building collapse in the South African city of George that left four people dead and dozens still trapped early on Tuesday. Twenty-four construction workers who were at the site of the unfinished building when it collapsed have been removed from the rubble so far,