The Delhi Police on Monday arrested the owner of the multi-storey commercial building near Delhi’s Saket metro station that collapsed on Saturday evening, killing six people and injuring eight others, PTI reported.The building, located in the Saidulajab area, reportedly housed a coaching centre, cafes and office. Construction work was under way on its top floors when the structure collapsed.Most of those killed or injured were medical or engineering students who were eating at a makeshift canteen on a neighbouring plot when debris from the collapsing building fell onto them. Five students and the canteen owner died in the incident, The Indian Express reported.On Monday, the police traced the 71-year-old owner, Karambir Sejwal, to his farmhouse in Delhi’s Vasant Kunj area after he had allegedly been absconding since Saturday, the newspaper reported. The police said Sejwal owns multiple rental properties in Saidulajab.Two additional floors had been under construction for the past three months despite local regulations permitting only ground-plus-three-storey structures in the area, they added. The construction work had reportedly been contracted out and the police are also searching for the builder and contractor involved, The Times of India reported.Raids are being carried out across Uttar Pradesh, Uttarakhand and the National Capital Region as part of the investigation, the police said.Investigators are also examining whether the building was originally designed to support the additional floors and whether structural modifications compromised its stability, the newspaper reported.Meanwhile, the Municipal Corporation of Delhi has suspended two officials from its South Zone Building Department for alleged lapses in supervision and said surveys of high-rise buildings will be carried out, The Indian Express reported.Edited by Tanya Shrivastava.