The incident took place in a `chawl' (old style tenements) at Chandivali farm in suburban Sakinaka where the wall of a house caved in at around 12.15 pm, said the official of the BMC's Disaster Management Cell.
"Fire brigade took out two people from the debris of the wall. One of them, Chandrakant Munnappa Shetty (40), was taken to civic-run Rajawadi Hospital, where he was declared brought dead.
"The other victim, Sandeep Kadam (35), was injured and recuperating in a private hospital," the official said.
The rescue work was still going on, he added.