NEW DELHI, June 10 -- The Delhi Police have arrested two builders in connection with the collapse of an illegal building in south Delhi's Saidulajab that killed six people and injured at least 10 others on May 30, senior officers said on Tuesday.

The arrests come days after police arrested building owner Karamveer Zaildar. Investigators said the two builders had been engaged by Zaildar to construct two additional floors on the three-storey structure without the requisite approvals.

Deputy commissioner of police (south) Anant Mittal confirmed the arrests, and identified the arrested men as Manish Khatri and Avinash Gupta, .

"The two had been on the run after the incident. They left Delhi and travelled to several places, including Himach...