According to police, the couple and their children were sleeping inside their dwelling at China Veerampattinam when a wall of the structure collapsed under the impact of the debris from the fall of another wall, that of a neighbouring house, as a result of heavy rainfall.
The family of four and a neighbour of theirs in the adjoining house were trapped under the debris.
After being pulled out, all five were rushed to hospital where the couple were declared dead.
