NEW DELHI, May 29 -- An electrical inspection team on Friday has started its probe to ascertain the cause of the blast in the air-conditioner that led to a fire and killed retired bureaucrat Dhanendra Kumar in his Hauz Khas Enclave house, a senior police officer said.

Deputy commissioner of police (south) Anant Mittal said investigators would also ask officials of the company that manufactured the air-conditioner to join the probe.

Kumar, who was the first chairman of the Competition Commission of India (CCI) between 2009 and 2011, died at the AIIMS Trauma Centre on Thursday morning, hours after he was rushed to hospital around midnight.

According to preliminary investigation, Kumar was in the washroom when the fire broke out and sprea...