New Delhi, May 31 -- In a revelation surrounding the tragic building collapse in South Delhi's Mehrauli area, official sources have confirmed that the local police had formally warned the Municipal Corporation of Delhi (MCD) about ongoing illegal construction at the site weeks before the structure came crashing down.

The catastrophic collapse has claimed at least six lives, left several others severely injured, and triggered a massive political and administrative blame game in the national capital.

The death toll in the building collapse in Delhi's Mehrauli area rose to six, Delhi Police said on Sunday.

Sources said local police had written to the Municipal Corporation of Delhi (MCD) and all civic authorities, informing it that the bui...