India, July 13 -- Rescue teams faced tough challenges at the site of the collapse on Saturday, as cramped spaces with houses built very close to each other, partial damages sustained by adjoining buildings, and narrow approach lanes prevented the use of heavy machinery to remove rubble.

On Saturday, earthmovers also could not access the site at Janta Colony in Welcome area, forcing the personnel to initiate the debris removal process manually, brick-by-brick. The debris was then dumped in the nearby Eidgah ground through a human chain, a few handcarts and shovels.

Senior officials said the entire exercise is likely to take a few days.

The rescue operation was being carried out by teams of the National Disaster Response Force (NDRF), fi...