India, July 14 -- A day after six members of a family were killed when their four-storey house collapsed in Welcome, Shahdara in east Delhi, police said a 14-month-old boy who was injured in the incident succumbed on Sunday.

Police said that the bodies of the deceased were returned to their family after autopsies. Police said that they will question the neighbours to ascertain if any collapse incident was reported earlier.

A case on charges of causing death by negligence was registered in the matter, however, the owner of the building was among the deceased, police said.

"As far as police investigation is concerned, we'll question the neighbours to find out if the building was dangerous or if any incident with respect to this building ...