The incident took place in Farsh Bazar area of east Delhi.
"At around 5 p.m, a JCB machine while lifting garbage hit the dilapidated wall that collapsed, critically injuring the three persons," Deputy Commissioner of Police Nupur Prasad said.
The family of rag-pickers was rushed to the hospital, but the woman, Marjina, was declared dead, while her husband Ansar Ali, 34, and four-year-old son Suhail are undergoing treatent in Doctor Hedgewar Aarogya Sansthan.
The police have seized the JCB machine.
(This story has not been edited by Social News XYZ staff and is auto-generated from a syndicated feed.)
