New Delhi: Delhi Police have arrested the owner of a multi-storey building that collapsed in south Delhi’s Saket area on Saturday, an incident that claimed six lives and left eight others injured, officials said on Monday.

The accused, identified as Karamveer, owns the structure in Saidulajab near Saket Metro station, which came down suddenly during ongoing construction work on its top floor. The building reportedly housed a coaching institute, cafes and offices at the time of the collapse.

Police confirmed that Karamveer has been taken into custody as part of the ongoing investigation into the cause of the incident.

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According to senior Municipal Corporation of Delhi (MCD) officials, in the first phase of its inspection, the civic body has identified six buildings in the vicinity of the collapsed structure that violate building bye-laws and it is likely to begin a seal-and-vacate drive.

"We will be issuing notices to all the unauthorised buildings having more than ground plus three floors (G+3). The drive will start in Mehrauli, Saket and other adjoining areas," a senior MCD official said.

"Illegal construction is rampant in Saidulajab, Paryavaran Complex and Freedom Fighters' Enclave in the Saket area alone. Similarly, in Mehrauli and nearby areas, illegal structures will be identified during an inspection," an official added.

The officials said show-cause notices will be issued on Tuesday to the owners of the six buildings that have been identified in the area surrounding the collapsed structure.